1,724 results
Search Results
2. Explaining trace‐based learner profiles with self‐reports: The added value of psychological networks.
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Jovanovic, Jelena, Gašević, Dragan, Yan, Lixiang, Baker, Graham, Murray, Andrew, and Gasevic, Danijela
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SCHOOL environment , *SELF-evaluation , *CONCEPTUAL models , *PHILOSOPHY of education , *HEALTH attitudes , *SOCIAL network analysis , *SELF-efficacy , *DATA analysis , *KRUSKAL-Wallis Test , *INTERNET , *INFORMATION storage & retrieval systems , *DESCRIPTIVE statistics , *PSYCHOLOGY , *STATISTICS , *LEARNING strategies , *STUDENT attitudes , *CONFIDENCE intervals , *PHYSICAL activity , *COGNITION , *ALGORITHMS - Abstract
Background: Learner profiles detected from digital trace data are typically triangulated with survey data to explain those profiles based on learners' internal conditions (e.g., motivation). However, survey data are often analysed with limited consideration of the interconnected nature of learners' internal conditions. Objectives: Aiming to enable a thorough understanding of trace‐based learner profiles, this paper presents and evaluates a comprehensive approach to analysis of learners' self‐reports, which extends conventional statistical methods with psychological networks analysis. Methods: The study context is a massive open online course (MOOC) aimed at promoting physical activity (PA) for health. Learners' (N = 497) perceptions related to PA, as well as their self‐efficacy and intentions to increase the level of PA were collected before and after the MOOC, while their interactions with the course were logged as digital traces. Learner profiles derived from trace data were further examined and interpreted through a combined use of conventional statistical methods and psychological networks analysis. Results and Conclusions: The inclusion of psychological networks in the analysis of learners' self‐reports collected before the start of the MOOC offers better understanding of trace‐based learner profiles, compared to the conventional statistical analysis only. Likewise, the combined use of conventional statistical methods and psychological networks in the analysis of learners' self‐reports before and after the MOOC provided more comprehensive insights about changes in the constructs measured in each learner profile. Major Takeaways: The combined use of conventional statistical methods and psychological networks presented in this paper sets a path for a comprehensive analysis of survey data. The insights it offers complement the information about learner profiles derived from trace data, thus allowing for a more thorough understanding of learners' course engagement than any individual method or data source would allow. Lay Description: What is already known about this topic: Researchers have made extensive use of data from online learning platforms—often referred to as learning trace data—to understand how learners engage in online learning activities.Surveys are often used to gather information about learners' motivation, perceptions, and other internal factors, to complement the insight gleaned from learning traces and thus create a more complete picture of the learning behaviour.When analysing survey data, the focus is usually on individual factors without considering how different factors are connected and affect one another.Psychological networks analysis is a novel analytic approach to studying complex phenomena both in psychology and education. What this paper adds: The paper uses psychological networks as a method for examining mutual relations among learners' internal factors (e.g., motivation, perceptions) measured through self‐reports before and after a course.By combining conventional statistical analysis of self‐reports with psychological networks analysis, the paper develops a comprehensive picture of learners' internal factors measured through self‐reports, one that accounts for both individual and interconnected nature of those factors.This comprehensive approach to information extraction from surveys allows for better understanding of trace‐based learner profiles, that is, profiles mined from data about learners' interaction with online learning activities. Implications for practice and/or policy: The presented method paves a way for a comprehensive analysis of the data collected from learners through surveys.It helps us gain a better understanding of learners' engagement with online learning activities.It can advance the evaluation of digital educational programs that aim to encourage changes in health‐related behaviour. [ABSTRACT FROM AUTHOR]
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- 2024
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3. The risk factors for silent aspiration: A retrospective case series and literature review.
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Jamróz, Barbara, Sobol, Maria, Chmielewska‐Walczak, Joanna, Milewska, Magdalena, and Niemczyk, Kazimierz
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NECK surgery , *RESPIRATORY aspiration , *HEAD surgery , *RISK assessment , *TRACHEOTOMY , *DRINKING (Physiology) , *RADIOTHERAPY , *DATA analysis , *FOOD consumption , *THYROID gland tumors , *LOGISTIC regression analysis , *INTERVIEWING , *QUESTIONNAIRES , *FISHER exact test , *PARAGANGLIOMA , *RETROSPECTIVE studies , *DESCRIPTIVE statistics , *MANN Whitney U Test , *CHI-squared test , *INFRATENTORIAL brain tumors , *LARYNGOSCOPY , *ODDS ratio , *NEUROLOGICAL disorders , *MEDICAL records , *ACQUISITION of data , *STATISTICS , *CASE studies , *COMPARATIVE studies , *DATA analysis software , *CONFIDENCE intervals , *SALIVA , *CRANIAL nerve diseases , *PARALYSIS , *GASTROINTESTINAL diseases , *PARATHYROID gland tumors ,RISK factors - Abstract
Aim: Evidence shows that 20%–30% of patients who aspirate do so silently. Research to date has not demonstrated clear evidence to indicate which patients are at higher risk of silent aspiration. Our aim was to use univariate logistic regression analysis of retrospective case review to determine potential patterns of silent aspiration. Materials and methods: We conducted a retrospective analysis of 455 fiberoptic endoscopic evaluation of swallowing (FEES) reports. The patients were divided into four groups: G1 – neurological diseases (n = 93), G2 – head and neck surgery (n = 200), G3 – gastroenterological diseases (n = 94) and G4 – other patients (n = 68). Data included the occurrence or absence of saliva penetration or aspiration, of silent fluid/solid food penetration or aspiration, type of penetration or aspiration, occurrence of cranial nerve paresis, radiotherapy and tracheostomy. Univariate logistic regression was used to evaluate independent risk factors of silent aspiration in the study population. Three models with different independent variables were considered. Results: There is a statistically significant difference in the frequency of occurrence of silent penetration and aspiration within the groups (p < 0.001), with intraglutative being most frequent. Fluid and food penetration and aspiration correlated with saliva penetration and aspiration in all groups (p < 0.001). Cranial nerve paresis (IX and X), radiotherapy and tracheostomy correlate with saliva penetration and aspiration (p = 0.020 for cranial nerve paresis; p = 0.004 for radiotherapy; p < 0.001 for tracheostomy). One hundred and fifteen patients (45.81%) in the subgroup of patients with intraglutative aspiration had cranial nerve paresis (IX, X or IX–X). Conclusions: Patients who should be prioritised or considered to be at a higher need of instrumental swallowing evaluation are those with IX and X cranial nerve paresis, tracheostomy and those who have had radiotherapy, with saliva swallowing problems, especially after paraganglioma, thyroid and parathyroid glands and middle and posterior fossa tumour surgery. WHAT THIS PAPER ADDS: What is already known on the subject: Clinical signs of penetration or aspiration include coughing, throat clearing and voice changes, while silent penetration or aspiration patients aspirate without demonstrating any clinical symptoms. The most common consequences of silent aspiration include aspiration pneumonia, recurrent lower respiratory tract infections and respiratory failure. Additionally, malnutrition and dehydration can be indicators of silent aspiration. Patients may unknowingly reduce their oral intake and lose weight. Retrospective studies have shown that 20%–30% of patients aspirate silently (e.g. patients after stroke, acquired brain injury, head and neck cancer treatment, prolonged intubation). Clinical examination of swallowing can miss up to 50% of cases of silent aspiration. What this paper adds to existing knowledge: Currently, silent aspiration is often discussed in neurological literature, but its applications to head and neck surgery are limited. In this study, we identify head and neck surgery patients who should be prioritised or considered to be in higher need of instrumental swallowing evaluation due to a higher risk of silent aspiration. What are the potential or actual clinical implications of this work?: Post‐treatment structural changes can result in lower cranial nerve paresis (IX, X, XII) and face injury, in which vagus and glossopharyngeal nerves are injured. After tracheostomy and radiotherapy, patients with problems swallowing saliva need careful clinical examination, particularly cranial nerve examination. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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4. Oral diadochokinetic production in children with typical speech development and speech–sound disorders.
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Ha, Seunghee
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SPEECH perception ,STATISTICS ,PHYSIOLOGICAL aspects of speech ,CONFIDENCE intervals ,ARTICULATION disorders in children ,CHILD development ,ONE-way analysis of variance ,SPEECH evaluation ,TASK performance ,LANGUAGE acquisition ,COMPARATIVE studies ,CONSONANTS ,ANALYSIS of covariance ,STATISTICAL hypothesis testing ,DESCRIPTIVE statistics ,RESEARCH funding ,DATA analysis ,STATISTICAL correlation ,MOUTH ,MOTOR ability ,CHILDREN - Abstract
Background: Aims: To investigate the developmental trajectory of the rate and perceptual assessment of oral diadochokinesis (DDK) in typically developing children compared with adults. Also to examine the characteristics of DDK productions in children with speech sound disorders (SSD) and the relationship between DDK production and percentage of consonants correct (PCC). Methods & Procedures: Participants were 316 typically developing children and 90 children with SSD from 3 to 9 years old, as well as 20 adults with normal speech. The mono‐, bi‐ and trisyllabic nonsense strings containing Korean tense consonants and the vowel [a] were used for DDK tasks. The number of iterations per s was measured as the DDK rate for each stimulus. The perceptual assessment of DDK productions was also performed for regularity, accuracy and rate. Outcomes & Results: The DDK rates increased throughout childhood, but the oldest children, 9‐year‐olds in the current study, did not achieve adult‐like rates for all mono‐ and trisyllabic strings. Children with SSD also did not show significant differences from typically developing children when the DDK productions were analysed using only accurate tokens. The PCC of children with SSD showed higher correlations with regularity, accuracy and rate of perceptual ratings than the timed DDK rate. Conclusions & Implications: This study highlighted the fact that the comprehensive evaluation of DDK productions may provide even more useful information about children's oral motor skills. WHAT THIS PAPER ADDS: What is already known on the subject: Rates of DDK reflect the motor skills of the articulatory systems independently of phonological skills; therefore, the tasks are widely used in the diagnostic evaluations of speech disorders in both children and adult populations. However, a substantial number of studies have questioned the validity and usefulness of DDK rates for evaluating speech abilities. Also, the literature suggested that the measure of DDK rate alone does not provide a clear and useful indication of children's oral motor skills. DDK tasks should be analysed in terms of accuracy and consistency as well as rate. What this paper adds to the existing knowledge: The literature reporting normative DDK performance has mainly been based on English speakers. As different consonants have different temporal characteristics, the linguistic and segmental features of DDK tasks can impact the DDK rate. This study established a norm for DDK rate for Korean‐speaking children and investigated the developmental trajectory of DDK performance in typically developing children compared with adults. This study suggested that the comprehensive evaluation of DDK productions may provide even more useful information about children's oral motor skills by examining the characteristics of DDK productions in children with SSD. What are the potential or actual clinical implications of this work?: This study provided normative data of young Korean‐speaking children aged 3–9 years. Normative data in children under 5 years of age are valuable given that the majority of children referred for speech difficulty assessments are between 3 and 5 years of age, but only a few studies have provided the normative data in young children. This study showed that many children could not complete DDK tasks correctly and provided additional support for the notion that other aspects of DDK performance, including accuracy and regularity, may yield more useful diagnostic indications than timed DDK rates alone. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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5. In which fields are citations indicators of research quality?
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Thelwall, Mike, Kousha, Kayvan, Stuart, Emma, Makita, Meiko, Abdoli, Mahshid, Wilson, Paul, and Levitt, Jonathan
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MEDICAL quality control ,PROFESSIONAL peer review ,STATISTICS ,CONFIDENCE intervals ,BIBLIOMETRICS ,CITATION analysis ,PEARSON correlation (Statistics) ,RESEARCH funding ,DATA analysis ,PERIODICAL articles ,INFORMATION storage & retrieval systems ,MEDICAL research ,IMPACT factor (Citation analysis) - Abstract
Citation counts are widely used as indicators of research quality to support or replace human peer review and for lists of top cited papers, researchers, and institutions. Nevertheless, the relationship between citations and research quality is poorly evidenced. We report the first large‐scale science‐wide academic evaluation of the relationship between research quality and citations (field normalized citation counts), correlating them for 87,739 journal articles in 34 field‐based UK Units of Assessment (UoA). The two correlate positively in all academic fields, from very weak (0.1) to strong (0.5), reflecting broadly linear relationships in all fields. We give the first evidence that the correlations are positive even across the arts and humanities. The patterns are similar for the field classification schemes of Scopus and Dimensions.ai, although varying for some individual subjects and therefore more uncertain for these. We also show for the first time that no field has a citation threshold beyond which all articles are excellent quality, so lists of top cited articles are not pure collections of excellence, and neither is any top citation percentile indicator. Thus, while appropriately field normalized citations associate positively with research quality in all fields, they never perfectly reflect it, even at high values. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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6. Non‐linguistic comprehension, social inference and empathizing skills in autistic young adults, young adults with autistic traits and control young adults: Group differences and interrelatedness of skills.
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Loukusa, Soile, Gabbatore, Ilaria, Kotila, Aija R., Dindar, Katja, Mäkinen, Leena, Leinonen, Eeva, Mämmelä, Laura, Bosco, Francesca M., Jussila, Katja, Ebeling, Hanna, Hurtig, Tuula M., and Mattila, Marja‐Leena
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DIAGNOSIS of autism ,STATISTICS ,SOCIAL perception ,EMPATHY ,CONFIDENCE intervals ,SELF-evaluation ,ONE-way analysis of variance ,COGNITION ,PSYCHOLOGICAL tests ,COMPARATIVE studies ,PEARSON correlation (Statistics) ,ACHIEVEMENT tests ,INTERPERSONAL relations ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,INTRACLASS correlation ,RESEARCH funding ,SOCIAL skills ,EMOTIONS ,INTENTION ,DATA analysis ,DATA analysis software ,ADULTS - Abstract
Background: Despite increasing knowledge of social communication skills of autistic peole, the interrelatedness of different skills such as non‐linguistic comprehension, social inference and empathizing skills is not much known about. A better understanding of the complex interplay between different domains of social communication helps us to develop assessment protocols for individuals with social communication difficulties. Aims: To compare the performances of autistic young adults, young adults with autistic traits identified in childhood and control young adults in social communication tasks measuring non‐linguistic comprehension, social inference and empathizing skills. In addition, to examine associations between the different social communication measures. Methods & Procedures: Autistic young adults (n = 34), young adults with autistic traits (n = 19) and control young adults (n = 36) completed the extra‐ and paralinguistic scales of the Assessment Battery for Communication (ABaCo), the Faux Pas Recognition Test, Social–Pragmatic Questions (SoPra) and the Empathy Quotient (EQ). Outcomes & Results: Group differences were found in the performance in the ABaCo, SoPra and EQ scores. Compared with the control young adults, autistic young adults scored lower. The performance of the young adults in the autistic traits group fell in between the other two groups. There were no group differences in the Faux Pas Recognition Test. The variability within the groups was large in all measurements. In the control group, there was a significant correlation between EQ and SoPra scores and between the Faux Pas and SoPra scores. In the autistic group, a significant correlation was found between Faux Pas and SoPra scores. Also, other patterns were observed but these were not statistically significant. Conclusions & Implications: The young adults with autistic traits fell in between the control and autistic young adults, highlighting the presence of the continuum in the terms of features of social communication. The results support other current research that suggests that theory of mind and other social communication skills may not be universally or widely impaired in all autistic individuals without cognitive deficits. Although all tasks examined social communication skills, only a small number of significant correlations were found between test scores. This highlights that clinical conclusions about a person's social communication should be based on the outcomes of different types of methods measuring different aspects of social communication. It is clear that the interrelatedness of different social communication skills needs further research. What This Paper Adds: What is already known on this subject: For successful communication, the ability to infer others' emotions, intentions and mental states is crucial. Autistic people have difficulty with many aspects of social communication. However, the associations between different aspects of social communication need to be better understood. What this paper adds to existing knowledge: The unique contribution of this study is to compare the performance of autistic people not only with that of a control group but also with people with childhood autistic traits. This provides an understanding of the interrelatedness of different social communication skills in people with varying degrees of autistic traits. This study used four assessment methods focusing on three different social communication elements (non‐linguistic comprehension, social inference and empathizing skills). These elements have complex relationships to one another, some being closely overlapping, some more distally related and some reflect more complex multifactorial elements. This study shows that although groups differ from each other in most of the assessments, the performance of different groups overlapped showing that many autistic young adults can perform well in non‐linguistic and social inference tasks in structured assessment contexts. What are the potential or actual clinical implications of this work?: Our findings suggest that in the assessment of social communication, self‐reports and clinical assessments can be used effectively together. They can complement each other, pointing out the strengths and weaknesses of a person, leading to more personalized therapeutic interventions. [ABSTRACT FROM AUTHOR]
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- 2023
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7. Recruitment of women veterans into suicide prevention research: Improving response rates with enhanced recruitment materials and multiple survey modalities.
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Gaeddert, Laurel A., Schneider, Alexandra L., Miller, Christin N., Monteith, Lindsey L., Brenner, Lisa A., Katon, Jodie, and Hoffmire, Claire A.
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SUICIDE prevention ,CHI-squared test ,CONFIDENCE intervals ,LONGITUDINAL method ,RESEARCH methodology ,POST-traumatic stress disorder ,POSTAL service ,REGRESSION analysis ,RESEARCH funding ,STATISTICAL sampling ,SEX crimes ,STATISTICS ,SUICIDAL behavior ,SURVEYS ,PSYCHOLOGY of veterans ,WOMEN'S health ,DATA analysis ,SECONDARY analysis ,SUICIDAL ideation ,RESEARCH bias ,CROSS-sectional method ,RETROSPECTIVE studies ,DATA analysis software - Abstract
Women veterans (WV) are the fastest growing veteran subpopulation and recognized to be at increased risk for suicide compared with civilians. Improving engagement (e.g., response rates) of WV in survey research is critical to ensuring valid and generalizable findings, which can inform suicide prevention programs tailored for this population. Many factors are known to influence response rates, yet little is known about ways to optimize survey response rates among WV. Three recruitment cohorts (Waves 1 [W1], 2a [W2a], and 2b [W2b]) of WV were invited to participate in an online survey for a national, mixed‐methods study examining suicide risk among WV using reproductive health care services paid for or provided by the Veterans Health Administration. To examine the effects of enhanced recruitment efforts, standard recruitment materials were mailed to all three cohorts, with the additions of: a study flyer aiming to build trust between participants and researchers (W2a, W2b) and a paper survey (W2b). Characteristics of responders and non‐responders were compared by wave and across survey modalities. Response rates were significantly higher for groups receiving enhanced (W2a = 17.1%; W2b = 24.6%) versus standard (W1 = 12.2%) recruitment materials. WV residing in rural areas were significantly more likely to respond by paper (37.1%) than online (19.8%). Non‐respondents were disproportionately racial and ethnic minorities. Disclosure of sensitive information (e.g., military sexual trauma) did not differ by survey modality. Findings suggest that enhanced recruitment materials improve survey response rates among WV, an important consideration for future research with this population. [ABSTRACT FROM AUTHOR]
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- 2020
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8. 'Turning up and tuning in'. Factors associated with parental non‐attendance and non‐adherence in intervention for young children with speech, language communication needs.
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Williams, Penny, Slonims, Vicky, and Weinman, John
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TREATMENT of language disorders , *PATIENTS' families , *EFFECT sizes (Statistics) , *SELF-efficacy , *MATERNAL age , *MEDICAL personnel , *SATISFACTION , *DATA analysis , *MULTIPLE regression analysis , *SOCIOECONOMIC factors , *PARENT-child relationships , *STATISTICAL sampling , *QUESTIONNAIRES , *LOGISTIC regression analysis , *PARENT attitudes , *PARENTING , *FAMILY relations , *DESCRIPTIVE statistics , *SELF-control , *CHI-squared test , *CONFIDENCE , *MOTIVATION (Psychology) , *PRE-tests & post-tests , *MEDICAL records , *TELEPHONES , *RESEARCH , *MEDICAL appointments , *ELECTRONIC health records , *STATISTICS , *PSYCHOLOGY of parents , *NEEDS assessment , *DATA analysis software , *CONFIDENCE intervals , *SPEECH therapy , *PATIENT participation , *EDUCATIONAL attainment , *REGRESSION analysis , *SENSITIVITY & specificity (Statistics) , *PATIENT aftercare - Abstract
Background: When parents bring their child to appointments and then adhere to agreed speech and language therapy (SLT) recommendations, there is the potential to increase the intensity of the intervention, support generalization and improve outcomes. In SLT, however, little is known about factors that may promote attendance or adherence. Studies in other clinical areas such in medicine, psychology and physiotherapy have identified risk factors for non‐attendance or non‐adherence that are multifactorial and variable dependent on, for example, population and intervention. Aims: To identify rates of non‐attendance and non‐adherence, and to identify parent or child factors associated with parent involvement in intervention for children under 5 years of age receiving SLT. Methods: Parents completed questionnaires at two time points assessing the domains of parents' beliefs (problem perceptions, self‐efficacy), personal circumstances (socio‐demographics, family functioning), treatment experience and child factors. Predictors of parent attendance and adherence were identified through multiple regression analyses. Non‐attendance rates were identified via local health records and non‐adherence ascertained using a specific parent‐reported measure within the treatment experience domain. Results: Participants (N = 199) were predominantly mothers, and were ethnically and socio‐economically diverse, speaking a wide range of languages. Their children presented with a range of speech, language communication needs (SLCN). The rate of non‐attendance was 25% and the main predictors of non‐attendance were maternal age, education level and two factors within the parent beliefs domain. This model explained 40% of the variance in attendance. The rate of non‐adherence in this cohort was 26% with parental rating of the importance of a recommendation and self‐efficacy beliefs predicting adherence; this explained 56% of the variance in adherence to SLT recommendations at home. Conclusions & Implications: Our research has provided preliminary evidence of the influence of parents' beliefs, personal circumstances and treatment experiences on their involvement in their child's therapy. Speech and language therapists should consider factors impacting attendance and adherence to treatment and explore parental perceptions of their child's SLCN before embarking on an intervention, a foundation for collaborative practice. A possible limitation of this study is that the levels of attrition in our sample led to generally high measured rates of participation, which should be considered in future studies. Future research should explore adherence in treatments with varying doses, with different types of SLCN or interventions and in different settings. WHAT THIS PAPER ADDS: What is already known on the subject: It is acknowledged that parent involvement in their child's therapy, such as attending and adhering to recommendations, is important but little is known about the rates of involvement and what factors may be associated with attendance and adherence in SLT. Qualitative research has explored parental involvement suggesting that beliefs about an intervention may be pertinent. Extensive research in other clinical areas suggest multiple and varied factors are influential and further exploration of particular populations and interventions is necessary. What this paper adds to the existing knowledge: This study identified rates of parental non‐attendance and non‐adherence in a cohort of predominantly mothers of children under the age of 5 years. It is the first study to measure parent adherence in SLT and identify factors that are associated parental adherence to SLT recommendations. It adds to the small body of SLT specific research in understanding risk factors for non‐attendance. What are the potential or actual clinical implications of this work?: This study highlights the need for a speech and language therapist to consider and explore parents' perspectives of their child's SLCN as a part of achieving collaboration with a parent in order to achieve the best outcomes. It provides a foundation for further systematic research into parent involvement with the ultimate aim of enhancing outcomes for children with SLCN. [ABSTRACT FROM AUTHOR]
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- 2024
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9. Adaptation and validation of the European Portuguese Communication and Symbolic Behaviour Scales Developmental Profile™ (CSBS DP™) Infant–Toddler Checklist.
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Filipe, Marisa G., Severino, Cátia, Vigário, Marina, and Frota, Sónia
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LANGUAGE disorder diagnosis , *AFFINITY groups , *STATISTICS , *REPORT writing , *STATISTICAL reliability , *CONFIDENCE intervals , *EYE movements , *COMMUNICATIVE competence , *PORTUGUESE people , *CHILD development , *AGE distribution , *EUROPEANS , *PSYCHOMETRICS , *CRONBACH'S alpha , *PEARSON correlation (Statistics) , *T-test (Statistics) , *DECISION making , *EARLY intervention (Education) , *COMMUNICATION , *METROPOLITAN areas , *SENSITIVITY & specificity (Statistics) , *BODY language , *EMOTIONS , *DATA analysis , *DATA analysis software , *PARENTS , *CEPHALOPELVIC disproportion , *EARLY diagnosis , *LANGUAGE disorders , *TRANSLATIONS - Abstract
Background: As delays or disorders in early language and communication are the most prevalent symptom in children with disabilities, early screening is crucial to promote prevention, early diagnosis, and intervention. However, to the best of our knowledge, no screening tool is available for the joint assessment of early language and social communication skills in European Portuguese (EP)‐learning children, which is critical for screening, monitoring and enrolment in appropriate early intervention services. Aims: (1) To adapt and validate the EP version of the Communication and Symbolic Behaviour Scales Developmental Profile™ (CSBS DP™) Infant–Toddler Checklist, a parental report for the screening of early language and social communication skills. (2) To conduct a cross‐cultural comparison between the EP adaptation and the original US version. Methods & Procedures: A total of 611 EP‐learning children (ages 6–24 months) were assessed on the CSBS DP Infant–Toddler Checklist. Normative data, psychometric characteristics (i.e., internal consistency and test–retest reliability), and cross‐cultural comparison between the EP and the original version were explored. Outcomes & Results: Internal consistency ranged from good to excellent and the test–retest reliability was excellent. The performance of the EP and US samples matched on almost all scores. However, EP children performed significantly better than their American peers in the Social compositive at 22 months and in the Symbolic composite at 20 months. No further differences were found. Conclusions & Implications: These findings showed that the EP CSBS DP Infant–Toddler Checklist seems to be a reliable screening tool of communicative and symbolic behaviours for EP‐learning children, which can be particularly relevant for decision‐making in clinical practice. WHAT THIS PAPER ADDS: What is already known on the subject: Early communication skills are known to be related to later language outcomes. Thus, screening tools for the early identification of children at risk for language and communication impairments, which may lead to monitoring and early intervention, have the potential to promote better outcomes. However, to the best of our knowledge, no screening tool is available for the assessment of early communication abilities in EP‐learning children. What this paper adds to existing knowledge: This study adapted and validated the EP CSBS DP Infant–Toddler Checklist, the first published parental report checklist for the assessment of early communication skills in EP. It described the psychometric characteristics of the adapted checklist, summarized the newly available normative data for EP‐learning infants and toddlers, and compared the performance of EP‐learning children with the original standardization sample reported for American English. The results demonstrated that this tool is a reliable instrument for the early screening of language, communicative and symbolic behaviours for EP‐learning children between 6 and 24 months of age. What are the potential or actual clinical implications of this work?: Given that early screening is crucial to promote prevention, early diagnosis and intervention, the availability of this tool is particularly relevant for children monitoring and their enrolment in appropriate early intervention services, helping decision‐making in clinical practice, in line with current guidelines regarding early monitoring and intervention to promote and support better outcomes. Thus, the tool and related normative data will be useful for paediatricians, family doctors, primary healthcare providers, developmental psychologists and speech–language therapists, among other professionals in the healthcare and educational fields, concerned with speech, language, and communication development and impairments. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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10. Turning the tables on citation analysis one more time: Principles for comparing sets of documents.
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Leydesdorff, Loet, Bornmann, Lutz, Mutz, Rüdiger, and Opthof, Tobias
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CLASSIFICATION ,COMPUTER software ,CONFIDENCE intervals ,SCIENCE ,STATISTICS ,DATA analysis ,CITATION analysis - Abstract
We submit newly developed citation impact indicators based not on arithmetic averages of citations but on percentile ranks. Citation distributions are-as a rule-highly skewed and should not be arithmetically averaged. With percentile ranks, the citation score of each paper is rated in terms of its percentile in the citation distribution. The percentile ranks approach allows for the formulation of a more abstract indicator scheme that can be used to organize and/or schematize different impact indicators according to three degrees of freedom: the selection of the reference sets, the evaluation criteria, and the choice of whether or not to define the publication sets as independent. Bibliometric data of seven principal investigators (PIs) of the Academic Medical Center of the University of Amsterdam are used as an exemplary dataset. We demonstrate that the proposed family indicators [ R(6), R(100), R(6, k), R(100, k)] are an improvement on averages-based indicators because one can account for the shape of the distributions of citations over papers. [ABSTRACT FROM AUTHOR]
- Published
- 2011
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11. Statistical inference in abstracts of 3 influential clinical pharmacology journals analysed using a text‐mining algorithm.
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Amiri, Marjan, Deckert, Markus, Michel, Martin C., Poole, Charles, and Stang, Andreas
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INFERENTIAL statistics ,CLINICAL pharmacology ,ALGORITHMS ,STATISTICAL sampling ,STATISTICAL association ,CONFIDENCE intervals - Abstract
Copyright of British Journal of Clinical Pharmacology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2021
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12. What could go wrong? Non‐standardized versus standardized food texture classification.
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Sella‐Weiss, Oshrat
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NONPARAMETRIC statistics ,STATISTICS ,SCIENTIFIC observation ,CONFIDENCE intervals ,ANALYSIS of variance ,DEGLUTITION disorders ,T-test (Statistics) ,FOOD ,DESCRIPTIVE statistics ,CHI-squared test ,FOOD chemistry ,STATISTICAL sampling ,DATA analysis ,NUTRITIONAL status ,PATIENT safety - Abstract
Background: Texture‐modified foods (TMF) is a common intervention for improving swallowing safety and efficiency for people with dysphagia. Non‐standardized texture classification (NSTC) of foods is used worldwide. However, as this study documents, it can introduce a lack of clarity and confusion over definitions that can potentially harm patients' safety. The International Dysphagia Diet Standardisation Initiative (IDDSI) framework offers international terminology and standardized methods for texture testing that can address this issue Aims: To document differences between NSTC and standardized texture classification (STC) of the IDDSI, to document changes in the STC in the 30 min following meal delivery, and to explore the relationship between food intake and texture level. Methods & Procedures: In this observational study, data were collected from 24 long‐term care departments during five meals served to 624 residents, including at least one breakfast, lunch and dinner. To document differences between NSTC and STC, all NSTC food textures used in the LTC facilities were reclassified to match the IDDSI texture level at the time food left the kitchen (n = 1276). To document time‐related changes in texture, the STC texture as food left the kitchen was compared with texture 30 min later (n = 1276). Finally, to explore the relationship between texture and consumption, estimates were made of single‐item food consumption (n = 3820) using a subjective evaluation of consumption percentage Outcomes & Results: A total of 1276 food items were classified over the course of five meal services (with at least one each from breakfast, lunch and dinner). Statistically significant differences in NSTC and STC texture levels were found that revealed that residents were consuming food that was more difficult to eat than intended by the TMF prescription. In addition, significant changes in food texture were found over time, with texture levels significantly increasing 30 min after food left the kitchen. Finally, greater consumption was found for softer textures in comparison with regular foods; moreover, food consumption was greatest during breakfast and lowest during lunch. Conclusions & Implications: Residents requiring TMF received harder textures than intended which required complex swallowing ability, thus introducing a choking risk. Using the STC as proposed by the IDDSI could improve patient safety, oral intake and nutritional status. Time‐related changes should also be considered in circumstances where patients do not consume food soon after service. Lastly, reduced food consumption during lunch might negatively impact overall nutrient intake, particularly in cultures where lunch is the main meal of the day. What this paper adds: What is already known on the subject: Despite widespread agreement on the importance of STC, institutional care providers widely use NSTC. The IDDSI framework offers international terminology and standardized methods for texture testing. The clinical importance of using STC is not well understood. What this paper adds to existing knowledge: This study found that residents who required texture‐modified foods were eating food textures that were more challenging to swallow than intended. Differences were found in food texture between when it left the kitchen compared with texture 30 min later. Pureed texture had greater consumption than regular textured food. Food consumption was found to be the highest during breakfast, and reduced during lunch, which might negatively impact overall nutrient intake. What are the potential or actual clinical implications of this work?: Accurate food texture prescription is the first step towards increasing patients' safety. However, food preparation and handling are also very important steps, not to be disregarded. Time‐related changes in food texture are remarkable and should be considered in circumstances where patients do not consume food soon after service, as these can compromise patients' safety. [ABSTRACT FROM AUTHOR]
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- 2022
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13. Validation of Serbian version of the LittlEARS® Early Speech Production Questionnaire for the assessment of early language development in typically developing children.
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Nikolić, Mina, Zeljković, Sanja Ostojić, and Ivanović, Maja
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RESEARCH funding , *CRONBACH'S alpha , *DATA analysis , *RESEARCH methodology evaluation , *QUESTIONNAIRES , *CULTURE , *AUDIOMETRY , *DESCRIPTIVE statistics , *MANN Whitney U Test , *PSYCHOMETRICS , *RESEARCH methodology , *STATISTICS , *SPEECH perception , *CONFIDENCE intervals , *LANGUAGE acquisition , *CHILDREN ,RESEARCH evaluation - Abstract
Objective: The LittlEARS® Early Speech Production Questionnaire (LEESPQ) was developed to provide professionals with valuable information about children's earliest language development and has been successfully validated in several languages. This study aimed to validate the Serbian version of the LEESPQ in typically developing children and compare the results with validation studies in other languages. Methods: The English version of the LEESPQ was back‐translated into Serbian. Parents completed the questionnaire in paper or electronic form either during the visit to the paediatric clinic or through personal contact. A total of 206 completed questionnaires were collected. Standardized expected values were calculated using a second‐order polynomial model for children up to 18 months of age to create a norm curve for the Serbian language. The results were then used to determine confidence intervals, with the lower limit being the critical limit for typical speech‐language development. Finally, the results were compared with German and Canadian English developmental norms. Results: The Serbian LEESPQ version showed high homogeneity (r =.622) and internal consistency (α =.882), indicating that it almost exclusively measures speech production ability. No significant difference in total score was found between male and female infants (U = 4429.500, p =.090), so it can be considered a gender‐independent questionnaire. The results of the comparison between Serbian and German (U = 645.500, p =.673) and Serbian and English norm curves (U = 652.000, p =.725) show that the LEESPQ can be applied to different population groups, regardless of linguistic, cultural or sociological differences. Conclusion: The LEESPQ is a valid, age‐dependent and gender‐independent questionnaire suitable for assessing early speech development in children aged from birth to 18 months. [ABSTRACT FROM AUTHOR]
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- 2024
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14. Who benefits and who doesn't in virtual reality learning: An experimental study comparing two types of school.
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Šikl, Radovan, Brücknerová, Karla, Švedová, Hana, Děchtěrenko, Filip, Ugwitz, Pavel, Chmelík, Jiří, Pokorná, Hana, and Juřík, Vojtěch
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INTELLECT , *RESEARCH funding , *CRONBACH'S alpha , *DATA analysis , *T-test (Statistics) , *EDUCATIONAL outcomes , *STATISTICAL sampling , *RANDOMIZED controlled trials , *DESCRIPTIVE statistics , *CHI-squared test , *VIRTUAL reality , *MIDDLE school students , *PRE-tests & post-tests , *STATISTICS , *ACADEMIC achievement , *COMPUTER assisted instruction , *LEARNING strategies , *MAPS , *MIDDLE schools , *COMPARATIVE studies , *DATA analysis software , *CONFIDENCE intervals - Abstract
Introduction: Media comparison studies examining the effectiveness of immersive virtual reality in education have yielded inconclusive findings, leaving the question of its impact on learning compared to conventional media unanswered. To address this issue, our study employs a novel approach that combines media comparison with an investigation on the influence of broader educational context. Methods: In the experiment, 262 students from two distinct types of lower secondary schools—comprehensive school and multi‐year gymnasium (a selective academic school)—participated. The students received a lesson on topography and contour line interpretation, using either an immersive virtual environment or a PowerPoint slideshow. A transfer test was carried out before, immediately after, and 1 month after the lesson to measure knowledge application. Results: The impact of the media (immersive virtual reality vs. PowerPoint slideshow) on learning outcomes was found to be minimal, with no clear advantage of one over the other in any experimental condition. In contrast, a significant influence on learning gains was observed due to school type. Multi‐year gymnasium students consistently outperformed comprehensive school students in the pre‐test and demonstrated greater learning gains, regardless of the learning media. Conclusion: The present study employs an innovative approach by integrating a comparative analysis of different media types with an investigation into the impact of learner characteristics. By including students from distinct types of schools, the study provides insights into the differential effects of immersive virtual reality in varied educational contexts. Lay Description: What is already known about this topic: Media comparison studies typically assess the effectiveness of immersive virtual reality as a learning medium in comparison to other instructional methods in education.The findings of these studies differ markedly.Numerous factors impact learning outcomes in an immersive virtual environment. What this paper adds: Recommendation that research in the field should explore not only if but also when and how IVR learning is effective.Evidence that learning achievements may not be affected by the medium used.Evidence that the type of school can significantly influence learning gains.Evidence that cognitive dispositions, such as spatial abilities, can be another factor that influence learning outcomes. Implications for practice: A technology‐centred approach alone does not allow for a proper evaluation of the learning gain potential of IVR, learner characteristics and broader educational context should also be taken into account.IVR as a learning medium may not be appropriate for all students and every educational setting.To ensure reliable evaluation of learning gains, it is necessary to align the content and format of the intervention in both learning mediums as closely as possible.Measuring learning gains not only immediately after the intervention but also with a significant time delay can contribute to a more comprehensive understanding. [ABSTRACT FROM AUTHOR]
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- 2024
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15. Prosodic skills in Spanish‐speaking adolescents and young adults with Down syndrome.
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López‐Riobóo, Elena and Martínez‐Castilla, Pastora
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COMMUNICATIVE competence , *MOTOR ability , *DOWN syndrome , *RESEARCH funding , *DATA analysis , *SPANIARDS , *AUDIOMETRY , *PSYCHOLINGUISTICS , *INTELLECTUAL disabilities , *SPANISH language , *SPEECH evaluation , *STATISTICS , *SPEECH perception , *VOCABULARY , *INTELLIGENCE tests , *CONFIDENCE intervals , *PEOPLE with disabilities ,PHYSIOLOGICAL aspects of speech - Abstract
Background: Down syndrome (DS) is a neurodevelopmental disorder of genetic origin with a cognitive‐behavioural profile that distinguishes it from other syndromes. Within this profile, language difficulties are particularly marked, having been more studied in childhood than in adulthood. More generally, there is a paucity of research on the prosodic skills of individuals with DS, despite the relevance of this linguistic component for effective communication. Aims: This study aimed to analyse, for the first time, the prosodic profile of Spanish‐speaking teenagers and young adults with DS. We hypothesized that participants with DS would show significantly lower skills for the perception and production of prosodic functions and forms when compared to peers with intellectual disability (ID) of unknown origin. We also hypothesized that teenagers and young adults with DS would have better prosody perception than prosody production. Methods & Procedures: The final sample included in the study comprised 28 Spanish‐speaking teenagers and young adults with DS and 29 teenagers and young adults with other ID matched on chronological age and nonverbal cognition. Their prosodic skills were tested by means of the Profiling Elements of Prosody for Speech and Communication battery. This battery allows for the separate evaluation of the comprehension and expression of the communicative functions of prosody and the discrimination and production of the forms that carry out such functions. Outcomes & Results: In the prosody function tasks, which are the most adaptive tasks for the communicative process, we found, as expected, significantly lower scores on the turn‐end, chunking, and focus tasks in the group with DS. However, no significant between‐group differences were found for the affect tasks. Participants with DS also had significantly lower scores on the prosodic form tasks than participants with other ID. The results of the comparison between prosodic perception and production skills showed that a generalization about a better profile in comprehension versus production is not possible and that there is a dependence on the demands of the prosodic task undertaken. Conclusions & Implications: The findings contribute to the ongoing development of the language profile of teenagers and young adults with DS and imply the need to design prosodic intervention programs based on their specific profile. WHAT THIS PAPER ADDS: What is already known on the subject: Prosody is a fundamental element of language, and its mastery affects the effectiveness of communication. However, research on prosody in Down syndrome (DS) that offers a holistic view from a psycholinguistic approach is still scarce. To date, studies focused on providing a detailed profile of prosodic skills in individuals with DS have been mainly conducted with a few English‐speaking children. These studies have shown that the comprehension and production of prosody is severely impaired, especially when considering affect and focus production, as well as the perception and production of prosodic forms. During childhood, greater efficacy is found in prosody comprehension than in prosody expression. What this study adds: This is the first study analysing the prosodic profile of a large group of Spanish‐speaking teenagers and young adults with DS. Poorer performance in the perception and production of both prosodic functions and forms was observed in participants with DS compared to participants with intellectual disability of unknown origin matched on chronological age and nonverbal cognition. Unlike what has been previously found in children, teenagers and young adults with DS performed at the same level as the control group on the understanding and expression of affect through prosodic cues. Results also showed that a generalization about a better prosody profile in comprehension versus production is not possible. What are the clinical implications of this work?: This study provides new data on the prosodic skills of Spanish‐speaking teenagers and young adults with DS. Given the impact of prosody on effective communication and the pattern of difficulties found in this study, speech and language therapists working with individuals with DS should consider including prosodic skills in interventions not only in childhood but also in adolescence and adulthood. Therefore, the prosodic profile of strengths and weaknesses in individuals with DS found in this research has direct implications for clinical practice. [ABSTRACT FROM AUTHOR]
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- 2024
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16. Design, objectives, execution and reporting of published open-label extension studies.
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Megan, Bowers, Pickering, Ruth M., and Weatherall, Mark
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CHI-squared test ,CONFIDENCE intervals ,EXPERIMENTAL design ,FISHER exact test ,MEDICAL information storage & retrieval systems ,RESEARCH methodology ,MEDLINE ,PUBLISHING ,RESEARCH ethics ,STATISTICAL sampling ,STATISTICS ,SYSTEMATIC reviews ,DATA analysis ,DRUG approval ,RANDOMIZED controlled trials ,RESEARCH bias ,DATA analysis software ,DESCRIPTIVE statistics ,INVESTIGATIONAL drugs - Abstract
Rationale, aims and objectives Open-label extension (OLE) studies following blinded randomized controlled trials (RCTs) of pharmaceuticals are increasingly being carried out but do not conform to regulatory standards and questions surround the validity of their evidence. OLE studies are usually discussed as a homogenous group, yet substantial differences in study design still meet the definition of an OLE. We describe published papers reporting OLE studies focussing on stated objectives, design, conduct and reporting. Method A search of Embase and Medline databases for 1996 to July 2008 revealed 268 papers reporting OLE studies that met our eligibility criteria. A random sample of 50 was selected for detailed review. Results Over 80% of the studies had efficacy stated as an objective. The most common methods of allocation at the start of the OLE were for all RCT participants to switch to one active treatment or for only participants on the new drug to continue, but in three studies all participants were re-randomized at the start of the OLE. Eligibility criteria and other selection factors resulted in on average of 74% of participants in the preceding RCT(s) enrolling in the OLE and only 57% completed it. Conclusions Published OLE studies do not form a homogenous group with respect to design or retention of participants, and thus the validity of evidence from an OLE should be judged on an individual basis. The term 'open label' suggests bias through lack of blinding, but slippage in relation to the sample randomized in the preceding RCT may be the more important threat to validity. [ABSTRACT FROM AUTHOR]
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- 2012
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17. Computer Availability and Principals' Perceptions of Online Surveys.
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Eaton, Danice K., Brener, Nancy D., Kann, Laura, Roberts, Alice M., Kyle, Tonja M., Flint, Katherine H., and Ross, Alexander L. R.
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ANALYSIS of variance ,AUTOMATIC data collection systems ,CLUSTER analysis (Statistics) ,COMPUTER software ,COMPUTERS ,CONFIDENCE intervals ,HIGH school students ,HIGH schools ,INTERNET ,PROBABILITY theory ,STATISTICAL sampling ,SCALE analysis (Psychology) ,SCHOOL administrators ,SURVEYS ,T-test (Statistics) ,DATA analysis ,LEARNING laboratories - Abstract
School-based risk behavior surveys traditionally have been administered via paper-and-pencil. This study assessed the feasibility of conducting in-class online surveys in US high schools. A paper-and-pencil questionnaire assessing computer availability and perceptions of online surveys was mailed to a nationally representative sample of public and private high school principals in fall 2008. Completed surveys were returned by principals from 580 of 704 selected schools. Prevalence and 95% confidence intervals were computed. Most high schools have at least 1 computer lab, most computers in computer labs are connected to the Internet, and just under half of schools with a stationary computer lab had a sufficient number of computers to accommodate an in-class online survey administration. The 2 most common problems associated with online surveys were logistics of providing enough computers for an entire class and rotating classes into computer labs. Nearly two thirds of principals preferred online to paper-and-pencil surveys when administered to 4 randomly selected classes that met at different times during the school day, but less than half reported this preference when administered to 4 randomly selected classes that met at the same time during the school day. Many schools do not have sufficient computer capacity to participate in a voluntary in-class online survey. An online survey could impose significant perceived and actual burden on schools and therefore could result in unacceptably low school participation rates. Online administration for in-class surveys of students in US high schools are not recommended. [ABSTRACT FROM AUTHOR]
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- 2011
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18. "Impaired Resilience (00210)" in patients under fertility treatment: Clinical validation study.
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Romeiro, Joana, Caldeira, Sílvia, and Venicios Lopes, Marcos
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INFERTILITY treatment ,STATISTICS ,NOSOLOGY ,PREDICTIVE tests ,JUDGMENT (Psychology) ,SCIENTIFIC observation ,RESEARCH evaluation ,CONFIDENCE intervals ,RESEARCH methodology ,CROSS-sectional method ,SELF-perception ,MEDICAL care ,WOMEN ,HEALTH status indicators ,INFERTILITY ,SOCIAL isolation ,NURSING practice ,FERTILITY ,QUESTIONNAIRES ,MENTAL depression ,FACTOR analysis ,DESCRIPTIVE statistics ,RESEARCH funding ,SENSITIVITY & specificity (Statistics) ,DATA analysis ,PSYCHOLOGICAL adaptation ,SHAME ,STATISTICAL sampling ,DATA analysis software ,PSYCHOLOGICAL resilience ,NURSING diagnosis ,PSYCHOLOGICAL distress ,MEDICAL logic - Abstract
Copyright of International Journal of Nursing Knowledge is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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- 2023
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19. Methodology and pitfalls in interobserver agreement studies: Visualization of case data with graphs improves understanding and transparency.
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Wertheim, David, Olofsson, Per, Pereira, Susana, Jacquemyn, Yves, and Bakker, Petra
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BONFERRONI correction ,CONFIDENCE intervals ,FETAL heart rate monitoring ,DATA analysis ,FLOW charts - Abstract
This article discusses the methodology and potential pitfalls in interobserver agreement studies, specifically in the context of assessing the suitability for fetal ECG ST analysis (STAN) when commencing cardiotocography (CTG). The authors used proportions of agreement and kappa analysis to assess the data, which are commonly used methods in similar studies. They also compared their new physiology-based FFTree CTG interpretation approach with the FIGO classification and found some differences in the proportions of agreement. The authors provided special graphs to visualize the results and presented the data in a transparent manner. [Extracted from the article]
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- 2024
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20. Density estimation and regression analysis on hyperspheres in the presence of measurement error.
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Jeon, Jeong Min and Van Keilegom, Ingrid
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REGRESSION analysis , *MEASUREMENT errors , *ASYMPTOTIC normality , *DENSITY , *CONFIDENCE intervals , *DATA analysis , *NONPARAMETRIC estimation - Abstract
This paper studies density estimation and regression analysis with data observed on a general unit hypersphere and contaminated by measurement errors. We establish novel density and regression estimators, and study their asymptotic properties such as the rates of convergence and asymptotic normality. We also provide two types of asymptotic confidence intervals for both density and regression functions. One type is based on the asymptotic normality of their estimators and the other type is based on the empirical likelihood technique. We present practical details on the implementation of our method as well as simulation studies and real data analysis. [ABSTRACT FROM AUTHOR]
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- 2024
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21. Supporting skill integration in an intelligent tutoring system for code tracing.
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Huang, Yun, Brusilovsky, Peter, Guerra, Julio, Koedinger, Kenneth, and Schunn, Christian
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COMPUTER software ,STATISTICS ,LEARNING theories in education ,PROBLEM solving ,CONFIDENCE intervals ,INTELLIGENT agents ,ABILITY ,TRAINING ,UNDERGRADUATES ,T-test (Statistics) ,DESCRIPTIVE statistics ,FACTOR analysis ,PROGRAMMING languages ,DATA analysis - Abstract
Background: Skill integration is vital in students' mastery development and is especially prominent in developing code tracing skills which are foundational to programming, an increasingly important area in the current STEM education. However, instructional design to support skill integration in learning technologies has been limited. Objectives: The current work presents the development and empirical evaluation of instructional design targeting students' difficulties in code tracing particularly in integrating component skills in the Trace Table Tutor (T3), an intelligent tutoring system. Methods: Beyond the instructional features of active learning, step‐level support, and individualized problem selection of intelligent tutoring systems (ITS), the instructional design of T3 (e.g., hints, problem types, problem selection) was optimized to target skill integration based on a domain model where integrative skills were represented as combinations of component skills. We conducted an experimental study in a university‐level introductory Python programming course and obtained three findings. Results and Conclusions: First, the instructional features of the ITS technology support effective learning of code tracing, as evidenced by significant learning gains (medium‐to‐large effect sizes). Second, performance data supports the existence of integrative skills beyond component skills. Third, an instructional design focused on integrative skills yields learning benefits beyond a design without such focus, such as improving performance efficiency (medium‐to‐large effect sizes). Major Takeaways: Our work demonstrates the value of designing for skill integration in learning technologies and the effectiveness of the ITS technology for computing education, as well as provides general implications for designing learning technologies to foster robust learning. Lay Description: What is currently known about the subject matter?: Skill integration is vital in students' mastery development, and is especially prominent in developing coding tracing skills.Coding tracing skills are foundational to programming, an increasingly important area in the current STEM education, yet many novice students struggle with code tracing.Instructional design to support skill integration in learning technologies has been limited.One of the most effective technologies for skill mastery, intelligent tutoring systems (ITS), is underused or only used in a partial form in programming education. What our paper adds to this?: We present the development and empirical evaluation of instructional design targeting students' difficulties in code tracing particularly in integrating component skills in an ITS, the Trace Table Tutor.The instructional features of the ITS technology (e.g., active learning, step‐level support, individualized problem selection) support effective learning of code tracing.Students' performance data supports the existence of integrative skills beyond component skills.An instructional design that provides deliberate practice and focused practice on integrative skills yields learning benefits beyond a design without such features. The implications of study findings for practitioners: Designing for skill integration is valuable and should receive more attention in designing learning technologies to foster robust learning.The instructional features of full‐scale ITSs are effective in supporting learning and merit further application in learning technologies in computing education. [ABSTRACT FROM AUTHOR]
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- 2023
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22. Who is going to win the next Association for the Advancement of Artificial Intelligence Fellowship Award? Evaluating researchers by mining bibliographic data.
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Rokach, Lior, Kalech, Meir, Blank, Ido, and Stern, Rami
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ARTIFICIAL intelligence ,AWARDS ,BIBLIOMETRICS ,CHI-squared test ,CONFIDENCE intervals ,INTERPROFESSIONAL relations ,STATISTICS ,LOGISTIC regression analysis ,BIBLIOGRAPHIC databases ,DATA analysis ,CITATION analysis - Abstract
Accurately evaluating a researcher and the quality of his or her work is an important task when decision makers have to decide on such matters as promotions and awards. Publications and citations play a key role in this task, and many previous studies have proposed using measurements based on them for evaluating researchers. Machine learning techniques as a way of enhancing the evaluating process have been relatively unexplored. We propose using a machine learning approach for evaluating researchers. In particular, the proposed method combines the outputs of three learning techniques (logistics regression, decision trees, and artificial neural networks) to obtain a unified prediction with improved accuracy. We conducted several experiments to evaluate the model's ability to: (a) classify researchers in the field of artificial intelligence as Association for the Advancement of Artificial Intelligence (AAAI) fellows and (b) predict the next AAAI fellowship winners. We show that both our classification and prediction methods are more accurate than are previous measurement methods, and reach a precision rate of 96% and a recall of 92%. [ABSTRACT FROM AUTHOR]
- Published
- 2011
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23. Authenticity of instruction and student performance: a prospective randomised trial.
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La Rochelle, Jeffrey S, Durning, Steven J, Pangaro, Louis N, Artino, Anthony R, van der Vleuten, Cees P M, and Schuwirth, Lambert
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TEACHING methods ,EVALUATION of teaching ,ANALYSIS of variance ,CHI-squared test ,COMPUTER software ,CONFIDENCE intervals ,CROSSOVER trials ,LONGITUDINAL method ,MEDICAL students ,PROBABILITY theory ,STATISTICS ,T-test (Statistics) ,DATA analysis ,RANDOMIZED controlled trials - Abstract
OBJECTIVES This study aimed to investigate the relationship between the authenticity of instructional formats and outcome measures within a pre-clerkship clinical reasoning course. METHODS We conducted a randomised, prospective, crossover study with Year 2 medical students taking a pre-clerkship clinical reasoning course. Students were randomised to small groups and exposed to three formats of differing instructional authenticity (paper case, DVD presentation, standardised patient [SP] presentation) across three subject areas (abdominal pain, anaemia, polyuria). Three student cohorts were taught using one instructional format per subject area so that each cohort received a different instructional format for each of the three subject areas. Outcome measures (objective structured clinical examination, video quiz, written examination) were selected to determine the effect of each instructional format on the clinical reasoning of students. RESULTS Increasingly authentic instructional formats did not significantly improve clinical reasoning performance across all outcome measures and subject areas. However, the results of the video quiz showed significant differences in the anaemia subject area between students who had been instructed using the paper case and live SP-based formats (scores of 47.4 and 57.6, respectively; p = 0.01) and in the abdominal pain subject area, in which students instructed using the DVD format scored higher than students instructed using either the paper case or SP-based formats (scores of 41.6, 34.9 and 31.2, respectively; p = 0.002). CONCLUSIONS Increasing the authenticity of instructional formats does not appear to significantly improve clinical reasoning performance in a pre-clerkship course. Medical educators should balance increases in authenticity with factors such as cognitive load, subject area and learner experience when designing new instructional formats. [ABSTRACT FROM AUTHOR]
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- 2011
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24. Changes in activity and content of messages of an Estonian Facebook group during transition to distance learning at the beginning of the COVID‐19 pandemic.
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Luik, Piret and Lepp, Marina
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STATISTICS ,KRUSKAL-Wallis Test ,CONFIDENCE intervals ,ANALYSIS of variance ,MATHEMATICAL models ,SOCIAL networks ,MULTIVARIATE analysis ,STAKEHOLDER analysis ,COMPUTER assisted instruction ,INSTANT messaging ,THEORY ,DESCRIPTIVE statistics ,CHI-squared test ,CONTENT analysis ,ODDS ratio ,DATA analysis ,DATA analysis software ,ALTERNATIVE education ,COVID-19 pandemic ,HOLIDAYS - Abstract
Background: The coronavirus pandemic has affected education worldwide. Estonian schools moved to distance learning on March 16. Objectives: This paper outlines the stages of unexpected and temporary changes affecting different stakeholders based on activity and content of the messages in the Facebook group 'Homeschooling with technology'. Also the applicability of the concerns‐based adoption model was explored to explain these changes. Methods: The investigated timespan includes the week before the emergency situation and the weeks of the school term and school holidays during the emergency situation, with 52 days in total, divided into seven periods. The 872 messages were coded by two researchers and changes were examined. Results and Conclusions: Four stages were identified, from low exposure and involvement with the change to focusing on collaboration and skipping the consequence stage. Furthermore, the new changes in the educational system might focus people again on personal concerns. Implications: The results help capture the changes in teaching and learning situation caused by the coronavirus pandemic in order to learn from these changes and be prepared for such situations in the future. Lay Description: What is already known about this topicIn the emergency situation, even well‐experienced teachers were not sure what and how to teach.There are several models and there are different models on handling the changes in education.Concerns‐based adoption model (CBAM) looks at how change affects people.Emotions have changed from negative to neutral in social media during school closures What this paper addsPrevious studies have been based mostly on surveys, but this paper adds an in‐depth analysis of messages from social media.Four stages describing how changes affect people have identified.New changes brought back personal concerns and no impact concerns raised.CBAM model is applicable in explaining unexpected temporary changes Implications for practice and/or policyIn teacher training, curricula courses about distance learning methodologies and tools should be added.National guidelines about the management of distance learning situations should be prepared. [ABSTRACT FROM AUTHOR]
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- 2021
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25. The Effects of Survey Modality on Adolescents' Responses to Alcohol Use Items.
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Livingston, Melvin D., Komro, Kelli A., and Wagenaar, Alexander C.
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PREVENTION of alcoholism ,CONFIDENCE intervals ,ALCOHOL drinking ,POISSON distribution ,QUESTIONNAIRES ,RESEARCH funding ,SELF-evaluation ,STATISTICS ,LOGISTIC regression analysis ,DATA analysis ,CONTENT mining ,DATA analysis software ,DESCRIPTIVE statistics ,ODDS ratio ,ADOLESCENCE - Abstract
Background We examined differences in response to self-reported alcohol use items by survey mode, whether self-report differences were the result of modality effects or self-selection, and whether these differences varied across the treatment and control arms of a preventative intervention trial. Methods Data from an existing alcohol prevention trial were used to estimate the effect of survey modality on adolescent's self-reported alcohol use at ages 17 to 18. Estimates were derived from regression models controlling for self-reported alcohol use during 8th grade, measured using a single survey modality, as well as time invariant selection factors. Results No statistically significant survey modality effects were found. No differential effects of survey modality were observed by assigned intervention group. Conclusions We provide initial evidence that adolescent alcohol prevention trials may use multiple survey modalities when necessary to increase response rates without harming interpretation of intervention effects. [ABSTRACT FROM AUTHOR]
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- 2015
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26. Non‐linguistic cognitive measures as predictors of functionally defined developmental language disorder in monolingual and bilingual children.
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Park, Jisook, Miller, Carol A., Sanjeevan, Teenu, Van Hell, Janet G., Weiss, Daniel J., and Mainela‐Arnold, Elina
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LANGUAGE disorder diagnosis ,STATISTICS ,EXECUTIVE function ,CONFIDENCE intervals ,PHONOLOGICAL awareness ,ENGLISH language ,MULTIVARIATE analysis ,MULTILINGUALISM in children ,LEARNING ,QUESTIONNAIRES ,CHI-squared test ,DESCRIPTIVE statistics ,ATTENTION ,COGNITIVE testing ,DATA analysis ,STATISTICAL correlation ,DATA analysis software ,LOGISTIC regression analysis ,PARENTS ,MOTOR ability ,LANGUAGE disorders ,CHILDREN - Abstract
Background & Aims: Given that standardized language measures alone are inadequate for identifying functionally defined developmental language disorder (fDLD), this study investigated whether non‐linguistic cognitive abilities (procedural learning, motor functions, executive attention, processing speed) can increase the prediction accuracy of fDLD in children in linguistically diverse settings. Methods & Procedures: We examined non‐linguistic cognitive abilities in mono‐ and bilingual school‐aged children (ages 8–12) with and without fDLD. Typically developing (TD) children (14 monolinguals, 12 bilinguals) and children with fDLD (28 monolinguals, 12 bilinguals) completed tasks measuring motor functions, procedural learning, executive attention and processing speed. Children were assigned as fDLD based on parental or professional concerns regarding children's daily language functioning. If no concerns were present, children were assigned as TD. Standardized English scores, non‐verbal IQ scores and years of maternal education were also obtained. Likelihood ratios were used to examine how well each measure separated the fDLD versus TD groups. A binary logistic regression was used to test whether combined measures enhanced the prediction of identifying fDLD status. Outcomes & Results: A combination of linguistic and non‐linguistic measures provided the best distinction between fDLD and TD for both mono‐ and bilingual groups. For monolingual children, the combined measures include English language scores, functional motor abilities and processing speed, whereas for bilinguals, the combined measures include English language scores and procedural learning. Conclusions & Implications: A combination of non‐linguistic and linguistic measures significantly improved the distinction between fDLD and TD for both mono‐ and bilingual groups. This study supports the possibility of using non‐linguistic cognitive measures to identify fDLD in linguistically diverse settings. What this paper adds: What is already known on the subject: Given that standardized English language measures may fail to identify functional language disorder, we examined whether supplementing English language measures with non‐linguistic cognitive tasks could resolve the problem. Our study is based on the hypothesis that non‐linguistic cognitive abilities contribute to language processing and learning. This is further supported by previous findings that children with language disorder exhibit non‐linguistic cognitive deficits. What this paper adds to existing knowledge: The results indicated that a combination of linguistic and non‐linguistic cognitive abilities increased the prediction of functional language disorder in both mono‐ and bilingual children. What are the potential or actual clinical implications of this work?: This study supports the possibility of using non‐linguistic cognitive measures to identify the risk of language disorder in linguistically diverse settings. [ABSTRACT FROM AUTHOR]
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- 2021
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27. An examination into the effect of genetic taste status and intensity of carbonation on swallowing and palatability in healthy young adults.
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Barry, Eva and Regan, Julie
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STATISTICS ,GENETICS ,DEGLUTITION ,ANALYSIS of variance ,CONFIDENCE intervals ,HORMONE antagonists ,THYROID hormones ,QUANTITATIVE research ,COMPARATIVE studies ,CARBONATED beverages ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,TASTE ,DATA analysis software ,DATA analysis ,LONGITUDINAL method ,ADULTS - Abstract
Background: Dysphagia is a highly prevalent condition and affects a wide range of cohorts. A common compensatory strategy to manage dysphagia is diet modification. However, this technique is often associated with poor patient quality of life and adverse long‐term effects. Carbonated liquids have shown promise as an alternative compensatory strategy for the management of dysphagia. Aims: To examine the effect of genetic taste status and intensity of carbonation on swallowing and palatability in a healthy young adult population. To examine the palatability of carbonated liquids over time. Methods & Procedures: A total of 35 healthy young adults were recruited for this prospective, quantitative cohort study. They each drank 150 ml of still water (SW), lightly carbonated water (LCW) and highly carbonated water (HCW). Swallow function, palatability and genetic taste status were assessed using the timed water swallow test, the hedonic general labelled magnitude scale and participant ratings of the bitterness of propylthiouracil strips, respectively. Participants were divided into groups of supertasters, moderate tasters and non‐tasters. Outcomes & Results: A significant difference was found between SW and HCW on three tests of swallow function. Average time per swallow increased (p = 0.03), average swallow velocity decreased (p = 0.001) and average volume per swallow decreased (p = 0.017) on HCW compared with SW. HCW had a greater impact on swallow function than LCW. A significant mean difference in palatability ratings was found across intensity levels of carbonated fluids (p = 0.002), specifically between SW and HCW (p = 0.001). HCW was less palatable than SW. The palatability of carbonated liquids, investigated within a subgroup of five participants, did not decrease after a 24‐h period during which participants only drank carbonated liquids (p = 0.102). A significant difference was found between supertasters' (n = 9) (mean = 13.33) and non‐tasters' (n = 20) (mean = –24.5) palatability ratings of HCW (p = 0.03). Despite differences in swallow function between SW and HCW, no differences were detected between supertasters' and non‐tasters' swallow function on SW, LCW or HCW. Conclusions & Implications: Carbonated liquids have the ability to alter swallow function in a healthy young adult population; however, liquids must be highly carbonated in order to have an effect. Additionally, highly carbonated liquids are less palatable than SW, but the palatability of carbonated liquids does not decrease over time. Furthermore, supertasters find HCW more palatable than non‐tasters. These findings suggest that carbonated liquids alter swallowing in a healthy population. Further research in a clinical population is needed to better understand the potential role of sensory stimulation as a dysphagia intervention. What this paper adds: What is already known on the subject: Several studies have found that carbonated liquids have the ability to alter swallow function in both healthy and clinical populations. However, there is a lack of evidence around the optimum intensity of CO2 in carbonated liquids and the palatability of carbonated liquids as well as the palatability of carbonated fluids over time. What this paper adds to existing knowledge: The findings from this study suggest that carbonated liquids can alter swallow function in a healthy young adult population, but liquids must be highly carbonated in order to have an effect. HCW is less palatable than SW, but the palatability of carbonated liquids does not decrease over time. Additionally, supertasters find HCW more palatable than non‐supertasters (non‐tasters). What are the potential or actual clinical implications of this work?: The findings from this study suggest that carbonated liquids may be suitable for use as a sensory stimulation technique for people with dysphagia, as their palatability does not decrease over time; however, further research in a clinical population is needed in order to determine this. Additionally, intensity of stimulus is an important factor to consider during dysphagia evaluation to identify what intensity is required to optimize swallowing. [ABSTRACT FROM AUTHOR]
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- 2021
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28. Intelligibility in Down syndrome: Effect of measurement method and listener experience.
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O'Leary, Deirdre, Lee, Alice, O'Toole, Ciara, and Gibbon, Fiona
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STATISTICS ,DYSARTHRIA ,ANALYSIS of variance ,CONFIDENCE intervals ,DOWN syndrome ,INTELLIGIBILITY of speech ,SPEECH evaluation ,VISUAL analog scale ,RESEARCH funding ,REPEATED measures design ,LISTENING ,STATISTICAL correlation ,DATA analysis ,DATA analysis software - Abstract
Background: Speech intelligibility is a global indicator of the severity of a speech problem. It is a measure that has been used frequently in research and clinical assessment of speech. Previous studies have shown that factors, such as measurement method and listener experience, can influence speech intelligibility scores. However, these factors of speech intelligibility assessment have not yet been investigated in people with Down syndrome (DS). Aims: To compare the speech intelligibility scores in speakers with DS measured using two methods: orthographic transcription and visual analogue scale (VAS), by two groups of listeners, experienced listeners and naïve listeners. Also, to examine the relationship across the four sets of speech intelligibility scores by means of correlational analysis. Methods & Procedures: A total of 30 adolescents and adults with DS read or repeated 12 sentences from a standardized test of intelligibility for adults with dysarthria. Each sentence was saved as a separate sound file and the 360 sentences were divided to form eight sets of stimuli. A total of 32 adults (16 experienced and 16 naïve) served as listeners of speech intelligibility. Each listener heard a single set of sentences and independently estimated the level of intelligibility for each sentence using a VAS in one task and wrote down the words perceived (i.e., orthographic transcription) in another task. The order of the two tasks was counterbalanced across listeners and the tasks were completed at least 1 week apart. Outcomes & Results: Repeated‐measures analysis of variance (ANOVA), confirmed by mixed‐methods analysis, showed that the scores obtained using orthographic transcription were significantly higher than those obtained using VAS; and the experienced listeners' scores were significantly higher than the naïve listeners' scores. Spearman rank correlation analysis showed that the four sets of scores across all conditions were strongly positively correlated with each other. Conclusions & Implications: Listeners, both experienced and naïve, may udge speech in DS differently when using orthographic transcription versus VAS as the method of measurement. In addition, experienced listeners can judge speech intelligibility differently compared with listeners who are less exposed to unclear speech, which may not represent 'real‐world' functional communicative ability. Speech and language therapists should be aware of the effect of these factors when measuring intelligibility scores and direct comparison of scores obtained using different procedures and by different groups of listeners is not recommended. What this paper addsWhat is already known on the subjectPrevious research on other clinical groups (e.g., Parkinson's disease) has shown that speech intelligibility scores can vary across different measurement methods and when judged by listeners with different experience. However, these factors have not yet been investigated in people with DS.What this paper adds to existing knowledgeSimilar to the findings reported for other clinical groups, using an impressionistic measurement method, such as VAS, can result in different speech intelligibility scores compared with scores obtained from orthographic transcription in speakers with DS. Furthermore, experienced listeners can perceive intelligibility as better compared with naïve (untrained) listeners for this group.What are the potential or actual clinical implications of this work?When measuring speech intelligibility, speech and language therapists should be aware that scores obtained using orthographic transcription can be higher than those obtained using VAS. They should also be aware that their increased exposure to hearing atypical speech may cause them to judge the speech difficulty as less severe and lead to an inaccurate representation of speech performance. Speech and language therapists should consider these factors when interpreting assessment results and especially when using intelligibility measures for treatment outcomes. [ABSTRACT FROM AUTHOR]
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- 2021
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29. Comparison of the modified shuttle walk test in children with cystic fibrosis and healthy controls.
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Mucha, Francieli Camila, Gonçalves Wamosy, Renata Maba, Scalco, Janaina Cristina, Almeida, Ana Carolina da Silva, Itaborahy, Bianca Dana Horongozo, Cardoso, Juliana, Mayer, Anamaria Fleig, and Santos Schivinski, Camila Isabel
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EXERCISE tests , *RESPIRATORY muscles , *BLOOD pressure , *STATISTICS , *CONFIDENCE intervals , *CROSS-sectional method , *RESPIRATORY measurements , *MANN Whitney U Test , *CYSTIC fibrosis , *FUNCTIONAL assessment , *T-test (Statistics) , *COMPARATIVE studies , *WALKING , *MUSCLE strength , *HEART beat , *DESCRIPTIVE statistics , *RESEARCH funding , *DATA analysis - Abstract
Objective: To evaluate and compare performance in the modified shuttle walk test (MSWT) with cardiorespiratory parameters and respiratory muscle strength in children with cystic fibrosis (CF) and healthy controls. Methods: A cross‐sectional study with children divided into the CF group (CFG) and healthy control group (HCG). Two MSWTs were performed and the data from the test with the longest distance walked and its cardiorespiratory parameters (blood pressure, respiratory rate, heart rate (HR), oxygen saturation, and dyspnea sensation) were considered, the last three every 4 levels. Respiratory muscle strength was evaluated using a manometer. The Wilcoxon test was used to compare the parameters before and after the MSWT, and the Mann‐Whitney and independent t‐tests were applied to compare the data between the groups. The distance walked and its association with the variation in cardiorespiratory parameters and respiratory muscle strength were analyzed by Spearman's correlation. Results: Sixty‐two children (31 in each group) participated, with an average age of 10.2 (2.1) years. Children with CF had poorer performance in the average distance walked (CFG 716.7 (274.3)) when compared to the HCG (948.0 (202.8)). Both groups exhibited an increase in all the cardiorespiratory parameters at the end of the test, but the CFG displayed less variation in some parameters. Children with CF presented a positive correlation between distance walked and respiratory muscle strength, HR variation, and systolic blood pressure. Conclusions: There was no difference in respiratory muscle strength between the groups. In the CFG, the greater the respiratory muscle strength, the better the performance in the MSWT. The CFG exhibited less variation in cardiorespiratory parameters than the HCG. Implications for physiotherapy practice: Current knowledge Maximum Effort Tests provide detailed information on physiological health and enable exercise prescription.Exercise performance could be limited in children with cystic fibrosis (CF).Exercise performance is usually associated with obstruction to expiratory airflow in CF. What this paper contributes to our knowledgeChildren with CF show preserved respiratory muscles strengthPulmonary function and respiratory muscles strength were related to exercise performance by modified shuttle walk test (MSWT).Child collaboration influences test performance. [ABSTRACT FROM AUTHOR]
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- 2024
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30. Preliminary feasibility and effectiveness of a novel community language intervention for preschool children in the United Kingdom.
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Botting, Nicola, Spicer‐Cain, Helen, Buckley, Bernadine, Mercado, Elizabeth, Sharif, Khadija, Wood, Liz, Flynn, Jane, and Reeves, Louisa
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PILOT projects , *STATISTICS , *RESEARCH , *NONPARAMETRIC statistics , *MOTHERS , *NONVERBAL communication , *EVALUATION of human services programs , *FOCUS groups , *CONFIDENCE intervals , *ANALYSIS of variance , *COMMUNICATIVE competence , *COMMUNITY health services , *FATHERS , *CHILD behavior , *LANGUAGE acquisition , *COMPARATIVE studies , *RANDOMIZED controlled trials , *SOCIAL context , *EARLY intervention (Education) , *QUESTIONNAIRES , *COMMUNICATION , *DESCRIPTIVE statistics , *INTRACLASS correlation , *VOCABULARY , *RESEARCH funding , *PARENT-child relationships , *BODY language , *DATA analysis , *STATISTICAL sampling , *COMMUNICATION education , *SECONDARY analysis , *VIDEO recording , *CHILDREN - Abstract
Background: Very young children from lower socioeconomic status (SES) backgrounds often show poorer language development. Whilst there have been attempts to provide early intervention programmes, these sometimes miss the most disadvantaged groups. Aims: This report presents preliminary feasibility and effectiveness data for a novel language intervention designed for parents of toddlers in the United Kingdom. Methods and Procedures: In total, 43 UK families of 2–4‐year‐olds were recruited to the study, half of whom completed an 8‐week course (Tots Talking) focussed on parent interaction, and half of whom acted as wait‐list controls. Results and Outcomes: Results suggest that such programmes are feasible for families with 86% staying in the intervention. In addition, greater changes in underlying communication skills such as joint attention and gesture were evident compared to wait‐list controls. Conclusions and Implications: We conclude that pre‐verbal skills may be more important to measure as initial outcomes than language or vocabulary change in this population. What This Paper Adds: What is already known on the subject: Children from lower socioeconomic status (SES) backgrounds are at higher risk of communication difficulties and there is a need for community intervention programmes for very young children. What this study adds: This study suggests that such programmes can be feasible and effective, but that very early/basic communicative skills (such as joint attention) may be boosted first rather than language or vocabulary. What are the clinical implications of this work?: Children's centres and other community services could feasibly run short parent facing courses emphasising contingent communication in low SES families and other diverse groups. These may be more successful run with younger preschoolers. Joint attention may be a better focus of intervention before expecting vocabulary or language change. Community health professionals may find this information useful in referring and supporting families in need. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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31. How to evaluate universities in terms of their relative citation impacts: Fractional counting of citations and the normalization of differences among disciplines.
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Leydesdorff, Loet and Shin, Jung C.
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UNIVERSITY rankings ,ANALYSIS of variance ,COMPUTER software ,CONFIDENCE intervals ,SCHOLARLY method ,RESEARCH funding ,STATISTICS ,BIBLIOGRAPHIC databases ,DATA analysis ,CITATION analysis - Abstract
Fractional counting of citations can improve on ranking of multidisciplinary research units (such as universities) by normalizing the differences among fields of science in terms of differences in citation behavior. Furthermore, normalization in terms of citing papers abolishes the unsolved questions in scientometrics about the delineation of fields of science in terms of journals and normalization when comparing among different (sets of) journals. Using publication and citation data of seven Korean research universities, we demonstrate the advantages and the differences in the rankings, explain the possible statistics, and suggest ways to visualize the differences in (citing) audiences in terms of a network. [ABSTRACT FROM AUTHOR]
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- 2011
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32. Randomized controlled trial comparing Parent Led Therapist Supervised Articulation Therapy (PLAT) with routine intervention for children with speech disorders associated with cleft palate.
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Sweeney, Triona, Hegarty, Fran, Powell, Katie, Deasy, Liane, Regan, Myra O', and Sell, Debbie
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EDUCATION of parents ,ANALYSIS of variance ,CLEFT palate ,CONFIDENCE intervals ,CONSONANTS ,LISTENING ,MEDICAL referrals ,PROBABILITY theory ,QUESTIONNAIRES ,RESEARCH evaluation ,RESEARCH funding ,SCALE analysis (Psychology) ,SPEECH evaluation ,SPEECH disorders ,SPEECH therapy ,INTELLIGIBILITY of speech ,STATISTICS ,TIME ,VELOPHARYNGEAL insufficiency ,VIDEO recording ,PATIENT participation ,DATA analysis ,EFFECT sizes (Statistics) ,RANDOMIZED controlled trials ,TREATMENT effectiveness ,INTER-observer reliability ,MOBILE apps ,DATA analysis software ,DESCRIPTIVE statistics ,INTRACLASS correlation ,CHILDREN - Abstract
Background: A total of 68% of pre‐school children with cleft palate have speech problems requiring speech therapy. There is a lack of access to regular targeted therapy. Parent training leads to positive outcomes in early communication skills in cleft palate and non‐cleft speech disorders. Connected health has been used to address inadequate access to therapy, providing intervention to those who would not otherwise receive therapy. Aims: To evaluate the speech, activity and participation outcomes of Parent Led, Therapist Supervised, Articulation Therapy (PLAT) compared with routine speech therapy intervention in parent–child dyads. Methods & Procedures: A total of 44 children, aged 2.9–7.5 years, were included in a two‐centre, two‐phase randomized controlled trial. Informed consent and assent were obtained. Participants and speech and language therapists (SLTs) were unblinded to the groups. Parents, in the parent‐trained group (n = 23), attended 2 days' training, received a detailed speech therapy programme, and undertook intervention over 12 weeks supported by the cleft specialist SLT using FaceTime and one face‐to‐face session. In the control arm (n = 21), parent–child dyads received six therapy sessions over 12 weeks with a research SLT, comparable with usual care. Speech recordings were undertaken pre‐ and post‐intervention. Percent consonant correct (PCC) was analysed by external SLTs blinded to the time and group. Activity and participation were measured using the Intelligibility in Context Scale (ICS) and Focus on Outcomes for Children Under Six (FOCUS) questionnaire. Outcomes & Results: There was no evidence of an interaction between Time and Group or an overall statistical difference between groups for PCC scores. There was a statistically significant difference over time for both groups (words: p < 0.002; confidence interval (CI) = 9.38–16.27; d = 0.57; sentences: p < 0.002; CI = 16.04–25.97; d = 0.23). Effect sizes were medium for words and small for sentences. For intelligibility and participation, there was no evidence of an interaction between Time and Group or an overall statistical difference between groups. A statistically significant difference over time was found for intelligibility (F = 29.97, d.f. = 1, 42, p < 0.001, 95 % CI = 1.45–3.15 d = 0.46) and for participation (F = 14.19, d.f. = 1, 41, p < 0.001 95% CI = 7.63–25.03; d = 0.36) with FOCUS results indicating clinically meaningful (parent‐led group) and significant (control group) change in participation. Conclusions & Implications: PLAT can be as effective as routine care in changing speech, activity and participation outcomes for children with cleft palate, when supported by a specialist cleft SLT using connected health. What this paper addsWhat is already known on this subjectOver 50% of children with cleft palate require speech therapy. However, there is a lack of timely, accessible speech therapy services in the UK and Ireland. Previous studies have shown that parents can deliver therapy effectively, and that connected health can support the delivery of speech therapy. This study aims to provide evidence that parent‐led therapy with the supervision of a specialist cleft therapist using FaceTime is effective.What this paper adds to existing knowledgeThis randomized controlled trial indicates that parents can be trained to deliver therapy for children with cleft palate speech disorders, under the supervision of an SLT. This approach results in improved speech, activity and participation outcomes similar to routine care.What are the potential or actual clinical implications of this work?This study indicates that both parent‐led articulation therapy and routine care showed meaningful gains in speech, activity and participation, and that parent‐led articulation therapy when supported by a cleft SLT using connected health could be an additional service delivery model for children with cleft palate speech disorders. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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33. Predicting students' knowledge after playing a serious game based on learning analytics data: A case study.
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Alonso‐Fernández, Cristina, Martínez‐Ortiz, Iván, Caballero, Rafael, Freire, Manuel, and Fernández‐Manjón, Baltasar
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CONFIDENCE intervals ,FIRST aid in illness & injury ,GAMES ,INTELLECT ,LEARNING strategies ,QUESTIONNAIRES ,SCALE analysis (Psychology) ,SCHOOLS ,STATISTICS ,STUDENTS ,STUDENT attitudes ,DATA mining ,LOGISTIC regression analysis ,DATA analysis ,ONLINE education ,PRE-tests & post-tests ,DESCRIPTIVE statistics ,DATA analytics - Abstract
Serious games have proven to be a powerful tool in education to engage, motivate, and help students learn. However, the change in student knowledge after playing games is usually measured with traditional (paper) prequestionnaires–postquestionnaires. We propose a combination of game learning analytics and data mining techniques to predict knowledge change based on in‐game student interactions. We have tested this approach in a case study for which we have conducted preexperiments–postexperiments with 227 students playing a previously validated serious game on first aid techniques. We collected student interaction data while students played, using a game learning analytics infrastructure and the standard data format Experience API for Serious Games. After data collection, we developed and tested prediction models to determine whether knowledge, given as posttest results, can be accurately predicted. Additionally, we compared models both with and without pretest information to determine the importance of previous knowledge when predicting postgame knowledge. The high accuracy of the obtained prediction models suggests that serious games can be used not only to teach but also to measure knowledge acquisition after playing. This will simplify serious games application for educational settings and especially in the classroom easing teachers' evaluation tasks. Lay Description: What is currently known about the subject matter Serious games are a powerful tool to engage, motivate, and help students learn.Pre‐post experiments are commonly used to measure knowledge acquisition.Game learning analytics can be applied to interaction data from games. What this paper adds We present a two‐step approach combining game learning analytics and data mining to predict players' performance in serious games based on their interactions.The approach is tested in a case study with pre‐post experiments collecting interaction data with 227 students playing a serious game to determine if performance can be accurately predicted.The comparison of prediction models has helped to determine if pretest information is essential.The highly accurate prediction models obtained suggest that games can be used to teach and measure knowledge acquisition after playing. Implications of study findings for practitioners The approach aims to simplify the measurement of players' learning with serious games.It may be generalized at least to similar scenarios (e.g., games for procedural learning or game‐likesimulations) where similar interaction data are feasible.Game mechanics and educational design should define the interaction data to capture.Using an accepted standard tracking profile is a clear recommendation. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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34. What is the effect of active ingredients in dentifrice on inhibiting the regrowth of overnight plaque? A systematic review.
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Valkenburg, Cees, Else Slot, Dagmar, and Van der Weijden, GA (Fridus)
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CHI-squared test ,CONFIDENCE intervals ,DENTAL plaque ,DENTIFRICES ,INFORMATION storage & retrieval systems ,MEDICAL databases ,MEDICAL information storage & retrieval systems ,MEDLINE ,META-analysis ,ONLINE information services ,STATISTICS ,TOOTH care & hygiene ,SYSTEMATIC reviews ,DATA analysis ,TRICLOSAN ,FLUORIDE varnishes - Abstract
Objectives: The aim of this systematic review was to establish the adjuvant clinical effect of brushing with a dentifrice containing purported active ingredients as compared to a regular sodium fluoride dentifrice with respect to the inhibition of overnight dental plaque regrowth from studies with human participants. Methods: MEDLINE‐PubMed, EMBASE and Cochrane CENTRAL were searched, up to June 2019. The inclusion criteria were controlled clinical trials with participants aged ≥ 18 years in good general health. Studies were included that evaluated the effect of toothbrushing with a dentifrice on the inhibition of overnight dental plaque regrowth when an active ingredient was added to the dentifrice as compared to a common sodium fluoride product. Data were extracted from the eligible studies, the risk of bias was assessed, and a meta‐analysis was performed where feasible. Result: Independent screening of 213 unique papers resulted in 10 eligible publications that provided 14 comparisons. Stannous fluoride and triclosan dentifrices were found as the active ingredients. The descriptive analysis indicated that all, but two comparisons demonstrated an additional effect on the active‐ingredient dentifrice. The meta‐analysis supported and strengthened these findings. It showed that when plaque was scored digitally, a DiffM was −3.15(95% CI [−4.61:‐1.69], P <.001, prediction interval [−5.07;‐1.24]). When plaque was scored clinically, the difference of means (DiffM) was −0.33(95% CI [−0.49:‐0.16], P <.001, prediction interval [−0.87; 0.21]). Conclusion: The results of this review demonstrate moderate‐quality evidence that brushing with an active‐ingredient dentifrice with stannous fluoride or triclosan does provide an added clinically relevant effect concerning plaque inhibition capabilities that surpass the effect of a regular sodium fluoride dentifrice. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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35. Spiral drawing deficits in children with prenatal alcohol exposure.
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Simmons, Roger W., Thomas, Jennifer D., Taggart, Tenille, Ward, Quentin J., Ashrafi, Ashkan, Mattson, Sarah N., and Riley, Edward P.
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COMPLICATIONS of alcoholism , *STATISTICS , *CONFIDENCE intervals , *ONE-way analysis of variance , *PSYCHOLOGY of movement , *DRAWING , *DESCRIPTIVE statistics , *ANALYSIS of covariance , *RESEARCH funding , *DATA analysis , *CHILDREN , *PREGNANCY - Abstract
Aims: Empirical investigations reveal that, in comparison to their typically developing peers, children with histories of prenatal alcohol exposure experience deficits in writing but not drawing skills, both of which require fine motor control. This study examines drawing skills in this clinical group by assessing simple free‐form spiral drawings with indices of spectral features and structural organization. Methods: Children with (n = 15) and without (n = 24) prenatal alcohol exposure used their dominant and nondominant hands to draw a series of spirals using a wireless pen stylus that either provided concurrent visual feedback in the form of a black ink trace or left no visible ink trace of each drawing. Spirals were drawn on a sheet of paper placed on a digitizing table, which facilitated online data acquisition. The data were assessed by power spectral density function analysis and sample entropy analysis. Results: In comparison to their typically developing peers, children with prenatal alcohol exposure produced spirals with a lower mean frequency and less spectral variability. Spirals in the prenatally exposed group were also lower in complexity and structural organization than in the control group. These results occurred independently of hand dominance or the availability of visual feedback. Conclusions: The drawing skills of children with prenatal alcohol exposure have inherent signal characteristics that differ significantly from those produced by typically developing peers. Simple tasks requiring fine motor control may be useful in identifying individuals with fetal alcohol spectrum disorders. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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36. Single‐fit bootstrapping: A simple alternative to the delta method.
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Fletcher, David and Jowett, Tim
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NONLINEAR functions ,ERROR functions ,CONFIDENCE intervals ,DATA analysis - Abstract
In many environmental and ecological settings, the analysis of data involves calculation of a confidence interval for a nonlinear function of the model parameters. In the frequentist approach, this is often achieved by using a Wald interval in which the standard error of the estimate of the function is obtained using the delta method.The purpose of this paper is to promote a simple alternative to the delta method that will provide better coverage properties when the estimates of the model parameters have a distribution that is approximately multivariate normal, as will be the case asymptotically for maximum likelihood estimates in regular models. We propose a simple diagnostic tool that can be used to assess the reliability of this assumption.The method we promote can be thought of as a computationally efficient version of parametric bootstrapping, as it mimics such bootstrapping without a need to refit the model.We provide two examples to illustrate use of the new method and present simulation results which show that its coverage properties are superior to those for a Wald interval based on the delta method when the assumption of normality for the estimates of the model parameters is reliable. We also compare its coverage properties and computational effort with those of parametric bootstrapping. [ABSTRACT FROM AUTHOR]
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- 2022
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37. What should we evaluate when we use technology in education?
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Lai, Jennifer W. M., Bower, Matt, De Nobile, John, and Breyer, Yvonne
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DATA analysis ,RESEARCH evaluation ,EDUCATIONAL technology ,REFLECTION (Philosophy) ,TEACHING ,DESCRIPTIVE statistics ,EXPERIMENTAL design ,SURVEYS ,ODDS ratio ,RESEARCH methodology ,TEST validity ,STATISTICS ,ONLINE education ,COMPUTER assisted instruction ,DATA analysis software ,CONFIDENCE intervals - Abstract
Background: There is a lack of critical or empirical work interrogating the nature and purpose of evaluating technology use in education. Objectives: In this study, we examine the values underpinning the evaluation of technology use in education through field specialist perceptions. The study also poses critical reflections about the rigour of evaluation instruments development in the educational technology field. Method: A total of 48 domain specialists were surveyed to investigate the face and content validity of 39 items under eight constructs, with both qualitative and quantitative data from the survey analysed. Results: There was an alignment between the constructs that the specialists felt were important and the constructs that have typically been the focus of empirical studies, with field specialists indicating high relevance scores for technology (M = 3.24/4), learning outcomes (M = 3.20/4), affective elements (M = 3.19/4), behaviour (M = 3.15/4), presence/community (M = 3.07/4), teaching/pedagogy (M = 3.01/4), design (M = 2.96/4), and institutional environment (M = 2.86/4). Only a minority of other studies were found to perform face and content validity checks and even then only with small samples of respondents (usually n ≤ 5). Implications: Specialists in educational technology research confirm that all eight dimensions are important to consider when evaluating the use of technology in education. Thorough face and content validity processes should be adopted when developing educational technology evaluation instruments. Further work has validated an eight factor 28 item instrument for evaluating the use of technology in education using a large sample of students from a global open learning online course. Lay Description: What is already known about this topic: Comprehensive evaluation of technology use is essential to make decisions on learning technology strategies.There is a lack of critical work interrogating how technology use is evaluated in education.There is a need for developing evaluation instruments in the educational technology field. What this paper adds: An examination of 48 field specialist perceptions of important constructs when evaluating technology use in education.Field specialists agreed that eight constructs identified in empirical studies were relevant to educational technology evaluation.Evidence of limited face and content validation processes based on previous empirical work.A comprehensive 39‐item instrument for evaluating technology use in education. Implications of study findings for practitioners: Adopt a broad range of constructs when evaluating the use of technology in education.Apply face and content validation processes involving a large sample of experts.Consider using the 39‐item instrument to evaluate educational technology use. [ABSTRACT FROM AUTHOR]
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- 2022
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38. Healthcare needs and experiences of foreign residents in Japan by language fluency.
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Okamoto, Miyoko, Matsuda, Yui, and Foronda, Cynthia L.
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STATISTICS ,CONFIDENCE intervals ,HEALTH facilities ,HEALTH services accessibility ,COMMUNICATIVE competence ,RESEARCH methodology ,CROSS-sectional method ,ONE-way analysis of variance ,QUANTITATIVE research ,PUBLIC health ,FISHER exact test ,HEALTH status indicators ,TRANSCULTURAL nursing ,SURVEYS ,CHI-squared test ,DESCRIPTIVE statistics ,PUBLIC hospitals ,QUESTIONNAIRES ,STATISTICAL sampling ,DATA analysis ,DATA analysis software ,MEDICAL needs assessment ,PSYCHOLOGY of immigrants - Abstract
Objective: Two percent of the Japanese population is comprised of foreign residents with further increase expected due to immigration policy revisions. The purpose of this paper is to examine the healthcare needs and difficulties experienced by foreign residents in Japan by level of their Japanese language fluency. Design: A quantitative, descriptive design was used. Sample: We surveyed foreign residents in the greater Tokyo area (N = 209). Measurements: The research team created the survey questions and the contents of the survey include foreign residents' experiences during their visits or stays at medical and public health facilities in Japan. Results: More than 90% of the participants or their families visited medical facilities in Japan regardless of Japanese language fluency; however, those with less Japanese language fluency experienced statistically significant uneasiness or inconvenience concerning communication compared to those with native Japanese language fluency (p =.000). Conclusions: Nurses in Japan may benefit from additional training related to use of interpreters as well as education about diversity and cultural humility. Through better understanding of the specific communication barriers of foreign residents, nurses will be able to better anticipate difficulties and address them. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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- View/download PDF
39. Obesity and dental caries in children: a systematic review and meta-analysis.
- Author
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Hayden, Ceara, Bowler, Jennifer O., Chambers, Stephanie, Freeman, Ruth, Humphris, Gerald, Richards, Derek, and Cecil, Joanne E.
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AGE distribution ,CHILDREN'S dental care ,CONFIDENCE intervals ,STATISTICAL correlation ,DENTAL caries in children ,DIET ,EPIDEMIOLOGY ,MEDICAL information storage & retrieval systems ,PSYCHOLOGY information storage & retrieval systems ,MEDLINE ,META-analysis ,CHILDHOOD obesity ,POPULATION geography ,STATISTICS ,SYSTEMATIC reviews ,EVIDENCE-based medicine ,PROFESSIONAL practice ,DATA analysis ,SOCIOECONOMIC factors ,BODY mass index ,INTER-observer reliability ,DISEASE prevalence ,PERMANENT dentition - Abstract
Objectives Obesity and dental caries have become increasingly prevalent challenges to public health. Research results into the relationship between obesity and dental caries in children have been mixed and inconclusive. The aim of this review and meta-analysis was to provide evidence to quantify the relationship between obesity and dental caries in children using a systematic approach. Methods A systematic search for papers between 1980 and 2010 addressing childhood obesity and dental caries was conducted and a random effects model meta-analysis applied. Results Fourteen papers met the selection criteria. Overall, a significant relationship between childhood obesity and dental caries (effect size = 0.104, P = 0.049) was found. When analysed by dentition type (primary versus permanent), there was a nonsignificant association of obesity and dental caries in permanent and primary dentitions, yet on accounting only for standardized definitions for assessment of child obesity using body mass index, a strong significant relationship was evident in children with permanent dentitions. Moderating for study country of origin (newly 'industrialized' versus industrialized) showed a significant relationship between obesity and dental caries in children from industrialized but not newly industrialized countries. Cofactors such as age and socioeconomic class were significant moderators. Conclusions Future analysis should investigate these confounding variables, helping shape the future of obesity management programmes and oral health interventions, through determining common risk factors. [ABSTRACT FROM AUTHOR]
- Published
- 2013
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40. Cognitive behavioural therapy and the psychopathology of schizophrenia: Systematic review and meta-analysis.
- Author
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Newton‐Howes, Giles and Wood, Rebecca
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SCHIZOPHRENIA treatment ,PSYCHOTHERAPY methodology ,SCHIZOPHRENIA ,COGNITIVE therapy ,CONFIDENCE intervals ,MEDICAL information storage & retrieval systems ,PSYCHOLOGY information storage & retrieval systems ,MEDLINE ,META-analysis ,PATHOLOGICAL psychology ,STATISTICS ,SYSTEMATIC reviews ,DATA analysis ,RANDOMIZED controlled trials ,DESCRIPTIVE statistics - Abstract
Purpose. To examine whether cognitive behaviour therapy (CBT) reduces psychopathology in patients with schizophrenia more effectively than the use of non-cognitive psychotherapies. Method. Systematic review and meta-analysis of the literature was performed. All Randomized Controlled Trials meeting the inclusion criteria were analysed using RevMan software. This design was used to maximize power and study efficacy. Medline, PsycINFO, and Embase were searched using free-text keywords to identify potential papers. Nine were included in the final meta-analysis. Change in psychopathology at the end of therapy was the end point investigated. A random effects model was used to assess the standard mean difference between the CBT and supportive control groups. Results. Meta-analysis of CBT versus supportive therapy did not find significant differences between the therapy groups at the end of treatment in respect of psychopathology. There was no evidence of publication bias. Post hoc power analysis using the Z test ruled out type one error. Conclusions. Theoretically based CBT therapies, although proving effective, may not out perform more accessible and simpler forms of therapy for patients with schizophrenia in reducing psychopathology. Consideration of supportive therapy should be made for patients with psychotic mental disorder. Practitioner Points CBT may not be the psychotherapeutic treatment of choice to alleviate the phenomenology of Schizophrenia., It may be valuable trialling simple supportive therapies prior to implementing more costly and complex cognitive therapies., This review, like the Cochrane review and others, does not suggest CBT in psychosis is not effective, simply that it dose not outperform supportive therapy in effecting change in phenomenology. [ABSTRACT FROM AUTHOR]
- Published
- 2013
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41. Nonparametric evaluation of the first passage time of degradation processes.
- Author
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Balakrishnan, Narayanaswamy and Qin, Chengwei
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GOODNESS-of-fit tests ,SADDLEPOINT approximations ,STOCHASTIC processes ,CONFIDENCE intervals ,DATA analysis - Abstract
This paper discusses a nonparametric method to approximate the first passage time (FPT) distribution of the degradation processes incorporating random effects if the process type is unknown. The FPT of a degradation process is unnecessarily observed since its density function can be approximated by inverting the empirical Laplace transform using the empirical saddlepoint method. The empirical Laplace transform is composed of the measured increments of the degradation processes. To evaluate the performance of the proposed method, the approximated FPT is compared with the theoretical FPT assuming a true underlying process. The nonparametric method discussed in this paper is shown to possess the comparatively small relative errors in the simulation study and performs well to capture the heterogeneity in the practical data analysis. To justify the fitting results, the goodness‐of‐fit tests including Kolmogorov‐Smirnov test and Cramér‐von Mises test are conducted, and subsequently, a bootstrap confidence interval is constructed in terms of the 90th percentile of the FPT distribution. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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- View/download PDF
42. Perceptions regarding communicative participation in individuals receiving botulinum toxin injections for laryngeal dystonia.
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Yorkston, Kathryn, Baylor, Carolyn R., Eadie, Tanya, and Kapsner‐Smith, Mara
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SOCIAL participation ,BOTULINUM toxin ,COMPUTER software ,RELIABILITY (Personality trait) ,SOCIAL support ,CONFIDENCE intervals ,COUNSELING ,NONVERBAL communication ,RESEARCH methodology ,CLASSIFICATION ,INTERVIEWING ,PATIENTS ,VISUAL analog scale ,EXPERIENCE ,QUALITATIVE research ,TREATMENT effectiveness ,AVOIDANCE (Psychology) ,COMMUNICATION ,HEALTH care teams ,INTRACLASS correlation ,DESCRIPTIVE statistics ,PSYCHOLOGICAL adaptation ,STATISTICAL correlation ,DATA analysis software ,DATA analysis ,EMOTIONS ,SPASMODIC dysphonia - Abstract
Background: Laryngeal dystonia (LD), or spasmodic dysphonia (SD), is a neurological disorder characterized by focal dystonia or involuntary spasms of the laryngeal muscles and associated voice symptoms. It is typically treated with injection of botulinum toxin (BoNT) that weakens the affected muscles. Aims: The primary purpose of this qualitative study was to explore participants' experience of living with LD and BoNT treatment. The secondary purpose was to examine those experiences as a function of participants' scores on the Communicative Participation Item Bank (CPIB). Results will enhance our understanding of restrictions in communicative participation, assist in planning intervention targeting these restrictions and aid in clinical interpretation of CPIB scores. Methods & Procedures: Semi‐structured interviews using a phenomenological tradition and focusing on BoNT treatment and communicative participation were conducted with 26 people with LD who are on established BoNT treatment regimens. Interviews were recorded, transcribed, coded and analysed inductively. Participants were categorized by CPIB scores into groups ranging from none to extensive participation restrictions. Both self‐ and expert ratings of voice were obtained. Outcomes & Results: Participants with different levels of CPIB scores had different experiences related to communicative participation in the context of BoNT treatment. These differences were organized into the following topics: BoNT and voice; attitudes toward participation; coping strategies; and advice. For all participants except those in the least restricted and most restricted groups, expert ratings of voice did not relate to CPIB scores. Conclusions & Implications: Although most participants report improved voice with BoNT treatment, many participants experienced lingering restrictions in communicative participation, some to a severe extent. Participants reported coping with these restrictions in many ways; some of these strategies were more successful than others. Those with restricted participation recommended more support for daily life and the emotional toll of LD, as well as support for family members. This support might be offered by speech–language pathologists. What this paper adds: What is already known on the subject: Participants with different levels of CPIB scores had different experiences related to communicative participation in the context of BoNT treatment. What this study adds to the existing knowledge: Although most participants report improved voice with BoNT treatment, many participants experienced lingering restrictions in communicative participation, some to a severe extent. What are the potential or actual clinical implications of this work?: SLP services that take a participation‐focused approach to intervention and use multi‐factorial approaches to help clients maximize their life participation in the context of LD are well within the SLP scope of practice. SLPs can help clients find and use their optimal voices within the constraints of the dystonia and BoNT effects. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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43. Findings From 12-lead Electrocardiography That Predict Circulatory Shock From Pulmonary Embolism: Systematic Review and Meta-analysis.
- Author
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Shopp, Jacob D., Stewart, Lauren K., Emmett, Thomas W., Kline, Jeffrey A., and Jones, Alan E.
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HEART disease risk factors ,BUNDLE-branch block ,SHOCK (Pathology) ,CONFIDENCE intervals ,DATABASES ,ELECTROCARDIOGRAPHY ,EMERGENCY medicine ,HEART rate monitoring ,INFORMATION storage & retrieval systems ,MEDICAL information storage & retrieval systems ,MEDICAL protocols ,MEDLINE ,META-analysis ,ONLINE information services ,QUALITY assurance ,DATA analysis ,PULMONARY embolism ,DIAGNOSIS ,THERAPEUTICS - Abstract
Objectives Treatment guidelines for acute pulmonary embolism (PE) recommend risk stratifying patients to assess PE severity, as those at higher risk should be considered for therapy in addition to standard anticoagulation to prevent right ventricular (RV) failure, which can cause hemodynamic collapse. The hypothesis was that 12-lead electrocardiography (ECG) can aid in this determination. The objective of this study was to measure the prognostic value of specific ECG findings (the Daniel score, which includes heart rate > 100 beats/min, presence of the S1Q3T3 pattern, incomplete and complete right bundle branch block [RBBB], and T-wave inversion in leads V1-V4, plus ST elevation in lead aVR and atrial fibrillation suggestive of RV strain from acute pulmonary hypertension), in patients with acute PE. Methods Studies were identified by a structured search of MEDLINE, PubMed, EMBASE, the Cochrane library, Google Scholar, Scopus, and bibliographies in October 2014. Case reports, non-English papers, and those that lacked either patient outcomes or ECG findings were excluded. Papers with evidence of a predefined reference standard for PE and the results of 12-lead ECG, stratified by outcome (hemodynamic collapse, defined as circulatory shock requiring vasopressors or mechanical ventilation, or in hospital or death within 30 days) were included. Papers were assessed for selection and publication bias. The authors also assessed heterogeneity (I
2 ) and calculated the odds ratios (OR) for each ECG sign from the random effects model if I2 > 24% and fixed effects if I2 < 25%. Funnel plots were used to examine for publication bias. Results Forty-five full-length studies of 8,209 patients were analyzed. The most frequent ECG signs found in patients with acute PE were tachycardia (38%), T-wave inversion in lead V1 (38%), and ST elevation in lead aVR (36%). Ten studies with 3,007 patients were included for full analysis. Six ECG findings (heart rate > 100 beats/min, S1Q3T3, complete RBBB, inverted T waves in V1-V4, ST elevation in aVR, and atrial fibrillation) had likelihood and ORs with lower-limit 95% confidence intervals above unity, suggesting them to be significant predictors of hemodynamic collapse and 30-day mortality. OR data showed no evidence of publication bias, but the proportions of patients with hemodynamic collapse or death and S1Q3T3 and RBBB tended to be higher in smaller studies. Patients who were outcome-negative had a significantly lower mean ± SD Daniel score (2.6 ± 1.5) than patients with hemodynamic collapse (5.9 ± 3.9; p = 0.039, ANOVA with Dunnett's post hoc), but not patients with all-cause 30-day mortality (4.9 ± 3.3; p = 0.12). Conclusions This systematic review and meta-analysis revealed 10 studies, including 3,007 patients with acute PE, that demonstrate that six findings of RV strain on 12-lead ECG (heart rate > 100 beats/min, S1Q3T3, complete RBBB, inverted T waves in V1-V4, ST elevation in aVR, and atrial fibrillation) are associated with increased risk of circulatory shock and death. [ABSTRACT FROM AUTHOR]- Published
- 2015
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44. Challenges of working and living in a new cultural environment: A snapshot of international medical graduates in rural Tasmania.
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Terry, Daniel R. and Lê, Quynh
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FOREIGN physicians ,WORK environment ,FRIENDSHIP ,STATISTICS ,CONFIDENCE intervals ,RURAL conditions ,ACCULTURATION ,CULTURAL pluralism ,SATISFACTION ,COMMUNITIES ,LABOR supply ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,STUDENTS ,EMPLOYMENT ,CHI-squared test ,DATA analysis ,EMPLOYEE retention - Abstract
Objectives: To highlight the experiences and challenges of international medical graduates (IMGs) living and working in rural and remote Tasmania, and how this informs their acculturation and retention in the state. Design: This paper reports the findings from the Tasmanian IMG questionnaire, which was administered both in hardcopy and online format to all known IMGs within the state. A total of 105 questionnaires were returned, representing a response rate of 30.0%. Results: IMGs were from the 30 countries and the majority were under 49 years of age, had migrated in the past 10 years, with over half having worked in the state for less than 2 years. Many IMGs indicated that they were satisfied with their current employment, the medical facilities, the friendliness of their patients and the friendliness of the community where they lived, and would like to stay much longer in Tasmania. Conclusions: Many IMGs have previously lived and worked in rural areas and are reasonably satisfied with their current employment and lifestyle in Tasmania. However, the following factors play an important part in their views and attitudes: employment satisfaction, access to schools, employment for spouse or partner and access to cultural or religious foods and goods. Nevertheless, beyond employment satisfaction, employment itself, coupled with career pathway and training opportunities, were highlighted as contributory factors for leaving Tasmania. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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45. A Survey of Differentially Private Regression for Clinical and Epidemiological Research.
- Author
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Ficek, Joseph, Wang, Wei, Chen, Henian, Dagne, Getachew, and Daley, Ellen
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EPIDEMIOLOGICAL research ,INFERENTIAL statistics ,DATA analysis ,PRIVACY - Abstract
Summary: Differential privacy is a framework for data analysis that provides rigorous privacy protections for database participants. It has increasingly been accepted as the gold standard for privacy in the analytics industry, yet there are few techniques suitable for statistical inference in the health sciences. This is notably the case for regression, one of the most widely used modelling tools in clinical and epidemiological studies. This paper provides an overview of differential privacy and surveys the literature on differentially private regression, highlighting the techniques that hold the most relevance for statistical inference as practiced in clinical and epidemiological research. Research gaps and opportunities for further inquiry are identified. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
46. Sharp nonparametric bounds and randomization inference for treatment effects on an ordinal outcome.
- Author
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Chiba, Yasutaka
- Subjects
ATTRIBUTION (Social psychology) ,CLINICAL trials ,COMPUTER simulation ,CONFIDENCE intervals ,NONPARAMETRIC statistics ,STATISTICAL sampling ,STATISTICS ,DATA analysis ,TREATMENT effectiveness - Abstract
In clinical research, investigators are interested in inferring the average causal effect of a treatment. However, the causal parameter that can be used to derive the average causal effect is not well defined for ordinal outcomes. Although some definitions have been proposed, they are limited in that they are not identical to the well-defined causal risk for a binary outcome, which is the simplest ordinal outcome. In this paper, we propose the use of a causal parameter for an ordinal outcome, defined as the proportion that a potential outcome under one treatment condition would not be smaller than that under the other condition. For a binary outcome, this proportion is identical to the causal risk. Unfortunately, the proposed causal parameter cannot be identified, even under randomization. Therefore, we present a numerical method to calculate the sharp nonparametric bounds within a sample, reflecting the impact of confounding. When the assumption of independent potential outcomes is included, the causal parameter can be identified when randomization is in play. Then, we present exact tests and the associated confidence intervals for the relative treatment effect using the randomization-based approach, which are an extension of the existing methods for a binary outcome. Our methodologies are illustrated using data from an emetic prevention clinical trial. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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47. The Altmetric era in eating disorder research: Assessing the association between Altmetric scores and citation scores for articles in the International Journal of Eating Disorders.
- Author
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Karimipour, Nicki, Sarkisyan, Ani, Smith, Kathryn E., Corona, Marissa, Nagata, Jason M., and Murray, Stuart B.
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CONFIDENCE intervals ,EATING disorders ,MANUSCRIPTS ,RESEARCH methodology ,MULTIVARIATE analysis ,STATISTICS ,DATA analysis ,CITATION analysis ,DESCRIPTIVE statistics - Abstract
Objective: The dissemination and uptake of scientific findings is of critical importance. While broader research suggests that an article's Altmetric score may predict subsequent citation scores for scientific manuscripts, the potential relationship between online dissemination and the broader scientific uptake of findings has not been explored in eating disorder research. Method: We identified 310 manuscripts published between 2017 and 2018 in the International Journal of Eating Disorders, and assessed (a) Altmetric scores, (b) the composition of Altmetric scores (i.e., Facebook posts, Twitter posts), and (c) overall citation scores. Results: Higher Altmetric scores were associated with higher citation scores. Multivariate analysis of separate Altmetric components indicated a higher number of Facebook mentions was uniquely associated with higher citation scores. Discussion Altmetric scores may offer a viable and relatively rapid metric of the likely uptake and impact of manuscripts. Ultimately, these findings represent preliminary evidence of the benefits of widespread dissemination of eating disorder research beyond traditional academic methods. Future research should focus on expanding our preliminary findings to include a larger examination of articles to show evidence for or against the relationship between higher Altmetric scores and higher citation scores. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
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48. Adaptive retrieval practice with multiple‐choice questions in the university classroom.
- Author
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Greving, Sven, Lenhard, Wolfgang, and Richter, Tobias
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ACADEMIC achievement ,ANALYSIS of variance ,COMPARATIVE studies ,CONFIDENCE intervals ,FACTOR analysis ,INFORMATION retrieval ,LEARNING strategies ,RESEARCH methodology ,REGRESSION analysis ,RESEARCH ,RESEARCH funding ,SCHOOL environment ,STATISTICAL hypothesis testing ,STATISTICS ,STUDENT attitudes ,UNIVERSITIES & colleges ,STATISTICAL power analysis ,DATA analysis ,TEACHING methods ,NATIONAL competency-based educational tests ,DATA analysis software ,DESCRIPTIVE statistics ,ODDS ratio - Abstract
Retrieval practice promotes retention more than restudying (i.e., the testing effect) and is applied to many educational settings. However, little research has investigated means to enhance this effect in educational settings. Theoretical accounts assume retrieval practice to be the most effective whenever retrieval is difficult but successful. Therefore, we developed a novel retrieval practice procedure, which adapts to learners' abilities and can be applied irrespective of learning content. This adaptive procedure aims to make retrieval gradually easier whenever students provide an incorrect answer. In a field experiment, students read book chapters as part of a weekly university course. In three consecutive weeks, they then practiced reading assignments by (a) adaptive testing, (b) non‐adaptive testing and (c) restudy. In Week 4, a surprise criterial test took place. Restudy outperformed both testing conditions, whereas adaptive testing performed equally well as non‐adaptive testing. However, exploratory analyses revealed that with increasing retention intervals, the superiority of restudy disappeared. Furthermore, whenever participants fully read the assignments and retention intervals increased, adaptive testing outperformed non‐adaptive testing. In sum, adaptive retrieval practice did not prove to be generally superior, but retention interval and students' preparation for class might be conditions rendering adaptive retrieval useful in educational settings. Lay Description: What is already known about this topic: Testing is a commonly used technique to assess progress in computer‐assisted learning environmentsStudents often benefit from the testing effect, that is practicing retrieval of information (testing) from memory benefits long‐term retention compared to restudyingCurrently, empirical evidence how to enhance the benefits of this technique in educational contexts is scarce What this paper adds: We propose a new approach to increase the benefit of the testing effect: For each question in retrieval practice the individual ability to retrieve this information from memory is consideredTo do so, cue informativeness of retrieval cues adapts to the individual ability level and thus makes the tests cognitively effortful but solvableThis adaptive approach is put to test in a higher education context and by using multiple‐choice questionsIn sum, adaptive retrieval practice did not prove to be generally superior to non‐adaptive retrieval practice or restudy However, retention interval and students' preparation for class might be conditions rendering adaptive retrieval useful in educational settings Implications for practice and/or policy: Findings can be implemented in educational contexts when multiple‐choice questions are used to enhance learningLearning can be optimized in computer‐assisted learning environments that allow adaptive testingWe advise adaptive retrieval only when students are well prepared for practice and when time between practice and final assessment exceeds two weeks [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
49. The predictive validities of individual working‐memory capacity profiles and note‐taking strategies on online search performance.
- Author
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Wu, Jiun‐Yu
- Subjects
ANALYSIS of covariance ,CHI-squared test ,COGNITIVE testing ,COLLEGE students ,CONCEPTUAL structures ,CONFIDENCE intervals ,DOCUMENTATION ,EXPERIMENTAL design ,FISHER exact test ,NEUROPSYCHOLOGICAL tests ,HUMAN multitasking ,QUESTIONNAIRES ,REGRESSION analysis ,RESEARCH funding ,SHORT-term memory ,STATISTICS ,T-test (Statistics) ,INTERNET searching ,DATA analysis ,TASK performance ,INFORMATION-seeking behavior ,DISTRACTION ,PRE-tests & post-tests ,DESCRIPTIVE statistics - Abstract
Online search involves multitasking and may demand better working‐memory capacities (WMC) and additional cognitive aids. Given the constraints of human cognition, we tested the effectiveness of note‐taking strategies on university students' online search performance. Also examined were the profile configurations of WMC tests in silence and in irrelevant speech as well as its interaction effects with note‐taking strategies on online search performance. Among the participants of 60 university students, we found a four‐group WMC profile composition that differed significantly across WMC scores in both silence and irrelevant speech. Results showed that WMC profiles, note‐taking groups and their interaction effect were significant factors on online search performance. Both Free Note and Matrix Note were beneficial for the students in low silent WMC profile groups. Study results have both theoretical and practical implications, advancing our understanding of the interrelationship of WMC under different conditions and informing instructional practice of online search performance. Lay Description: What is already known about this topicWorking memory capacity is fundamental to multitasking ability.Online search is a typical multitasking behavior that requires constant switching between different information sources.Students who take note perform better than those who do not while reading materials with seductive but irrelevant information.What this paper addsStudents working memory capacity is examined under silent and irrelevant speech conditions.Students exhibited different profile patterns in their working memory capacity under silent and irrelevant speech conditions.Taking note, either in matrix form or free form, can significantly improve students' online search performance for those with high WMC ONLY in irrelevant speech or for those with low WMC in both silent and irrelevant speech conditions.Implications for practiceNote‐taking as auxiliary support may facilitate students' integration and evaluation of the online information across multiple sources during their online search.Instructions on how to self‐construct matrix note are needed to help students develop advanced note‐taking skills for their learning involving online search. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
50. Comparative optimism about infection and recovery from COVID‐19; Implications for adherence with lockdown advice.
- Author
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Asimakopoulou, Koula, Hoorens, Vera, Speed, Ewen, Coulson, Neil S., Antoniszczak, Dominika, Collyer, Fran, Deschrijver, Eliane, Dubbin, Leslie, Faulks, Denise, Forsyth, Rowena, Goltsi, Vicky, Harsløf, Ivan, Larsen, Kristian, Manaras, Irene, Olczak‐Kowalczyk, Dorota, Willis, Karen, Xenou, Tatiana, and Scambler, Sasha
- Subjects
ANALYSIS of variance ,CONFIDENCE intervals ,CONVALESCENCE ,FACTOR analysis ,GOODNESS-of-fit tests ,OPTIMISM ,STATISTICAL sampling ,STATISTICS ,SURVEYS ,DATA analysis ,REPEATED measures design ,CROSS-sectional method ,DESCRIPTIVE statistics ,COVID-19 ,STAY-at-home orders - Abstract
Background: Comparative optimism, the belief that negative events are more likely to happen to others rather than to oneself, is well established in health risk research. It is unknown, however, whether comparative optimism also permeates people's health expectations and potentially behaviour during the COVID‐19 pandemic. Objectives: Data were collected through an international survey (N = 6485) exploring people's thoughts and psychosocial behaviours relating to COVID‐19. This paper reports UK data on comparative optimism. In particular, we examine the belief that negative events surrounding risk and recovery from COVID‐19 are perceived as more likely to happen to others rather than to oneself. Methods: Using online snowball sampling through social media, anonymous UK survey data were collected from N = 645 adults during weeks 5‐8 of the UK COVID‐19 lockdown. The sample was normally distributed in terms of age and reflected the UK ethnic and disability profile. Findings: Respondents demonstrated comparative optimism where they believed that as compared to others of the same age and gender, they were unlikely to experience a range of controllable (eg accidentally infect/ be infected) and uncontrollable (eg need hospitalization/ intensive care treatment if infected) COVID‐19‐related risks in the short term (P <.001). They were comparatively pessimistic (ie thinking they were more at risk than others for developing COVID‐19‐related infection or symptoms) when thinking about the next year. Discussion: This is one of the first ever studies to report compelling comparative biases in UK adults' thinking about COVID‐19. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
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