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Precooling and sulfur dioxide fumigation were proved as effective methods for the preservation of longan (Dimocarpus longan Lour.) fruits. However, inadequate precooling and sulfur dioxide fumigation resulted in unexpected losses and short shelf life. A L9(34) orthogonal test was conducted to screen out ideal dosage of sodium metabisulfite (factor A), precooling method (factor B), and precooling duration (factor C) to improve the storability of longan fruit stored for 48 hr at room temperature (RT) (25℃). The overall qualities of all of the treated longan fruits after a 48‐hr storage (OQST) and during the 5‐day shelf at 25℃ (OQSF) were better than those of the control fruits. The treated fruits showed brighter fresh color (higher L*, b*, C*, and h° values but lower a* value), higher flavonoid, and chlorophyll contents. Moreover, the SO2 residue was concentrated in pericarp but little in aril for any of the 12 treatments. The multivariate variance analysis showed that factor A was dominant to determine both of the OQST and OQSF, while factor B affected the OQST, and factor C affected the OQSF. In total, "0.22% sodium metabisulfite + 4 hr precooling + uncovered precooling" was considered to be an ideal treatment. These results would contribute to improving longan postharvest preservation technology. [ABSTRACT FROM AUTHOR]

We give some comments on the paper by Mendes and Yigit where some misleading statements on rank tests have been given. Also, we give some additional important references on the same topic, which are not cited in this paper. By extending the simulations presented in the Mendes and Yigit paper to larger and unequal sample sizes, we demonstrate that the main conclusions are misleading. [ABSTRACT FROM AUTHOR]

This paper presents a quantitative comparison of peer versus bibliometric procedures for rating the quality of U.S. universities. The peer ratings used are the Roose-Andersen rating of the quality of graduate faculty in 10 scientific fields. The bibliometric ratings used are (1) the number of university papers in each field; (2) the average "quality" of the papers based on their citation rates, expressed as influence per paper in each field; and (3) total influence, the product of number of papers and influence per paper. The bibliometric ratings are based on 127,000 university papers, from 450 journals in 10 fields for 1965 to 1973. Roose-Andersen ranks and scores are found to correlate most highly with the total influence of the university's papers, followed closely by correlations with the total number of papers, and much less closely with the average influence per paper. A partial correlation and regression analysis indicate that the Roose-Andersen scores have two additive components: bibliometric size and bibliometric quality. Further analysis explores the extent to which a university's prestige in one department correlates with the assessment of other departments within that university, and the extent to which the university's overall bibliometric size correlates with the assessment of departments within that university. It is shown that the ratings of departments with- in a university are not independent, and that these dependencies are associated with the bibliometric size of the university. University ranks and scores in different fields are shown to be much more highly correlated when based on peer assessment than when based on bibliometric measures. [ABSTRACT FROM AUTHOR]

Background: In the digital environment, users' academic reading behaviour has changed, working with many articles simultaneously to search, filter, scan, link, annotate and analyse content fragments. The semantic enhancement environment has been widely set with semantic technologies to offer additional and handy support for users and thus facilitate the reading process. Despite many efforts devoted to developing a semantic enhancement environment, less attention has been paid to its actual effects. Objectives: This study aims to explore the effects of a semantic enhancement environment. Methods: Elaborating on cognitive load theory and focusing on academic reading, this study compared users' cognitive load and reading effect under the semantic enhancement environment and plain text environment and verified the three hypotheses. Results and conclusions: Through experiments and statistical analysis, this study found that, under a semantic enhancement environment, users had their cognitive load reduced and their reading effect improved. Consequently, a semantic enhancement environment promotes academic reading. Takeaways: This study adds to previous literature on semantic publishing by empirically corroborating the conducive effects of semantic enhancement environment in academic reading. Additionally, it justifies semantic publishing and provides a reference for the future design of semantically enhanced reading environments. Lay Description: What is already known about this topic?: The effects of a semantic enhancement environment are open to discuss.Academic reading is fundamental to researches and hence needs promotion.Limited studies investigated the effects of a semantic enhancement environment on academic reading.Publishers require effective reading environment designs. What this paper adds?: This study constructed a semantic enhancement reading environment to conduct a reading experiment.The experiment tested cognitive load, by using WP scale, and reading effects, by answer time and answer score.Semantic enhancement environment reduces users' cognitive load, promotes users' reading effects, and bolsters users' understanding of academic reading materials, especially in microstructure content.The design of semantic enhancement reading environments needs to fully consider the features of reading materials and give users a controllable way of interaction. The implications of study findings for practitioners: Compared to plain text environment, semantic enhancement environment is preferred in academic reading.Publishers are encouraged to add semantic enhancements to their publications.This study discussed how to design an effective learning and reading environment from the perspectives of reading resources, media forms of resources, and interaction modes. [ABSTRACT FROM AUTHOR]

Background Existing tools for rapid cognitive assessment in HIV-positive individuals with mild cognitive deficits lack sensitivity or do not meet psychometric requirements for tracking changes in cognitive ability over time. Methods Seventy-five nondemented HIV-positive patients were evaluated with the Montreal Cognitive Assessment (MoCA), a brief battery of standardized neuropsychological tests, and computerized tasks evaluating frontal-executive function and processing speed. Rasch analyses were applied to the MoCA data set and subsequently to the full set of data from all tests. Results The MoCA was found to adequately measure cognitive ability as a single, global construct in this HIV-positive cohort, although it showed poorer precision for measuring patients of higher ability. Combining the additional tests with the MoCA resulted in a battery with better psychometric properties that also better targeted the range of abilities in this cohort. Conclusion This application of modern test development techniques shows a path towards a quick, quantitative, global approach to cognitive assessment with promise both for initial detection and for longitudinal follow-up of cognitive impairment in patients with HIV infection. [ABSTRACT FROM AUTHOR]

This study contributes to the diversity literature by probing whether diversity papers are cited as frequently as nondiversity papers in management and industrial/organizational (I/O) psychology journals. Based on the stigma‐by‐association theory, I argue that as a result of their association with minority groups, diversity papers may be devalued and thus "othered" by scholars. Using a citation analysis of 46,930 papers published in 29 peer‐reviewed management and I/O psychology journals, I present empirical evidence in Study 1 that diversity papers were cited significantly less frequently than nondiversity papers. The authors' gender and institutional prestige, journal tier and domain, and year of publication were not moderators. In Study 2, I used a scenario experiment to demonstrate the stigma‐by‐association effect. The authors' gender demonstrated a significant moderating effect in this experiment. [ABSTRACT FROM AUTHOR]

Background: The use of e‐exams in higher education is increasing. However, the role of student diversity in the acceptance of e‐exams is an under‐researched topic. In the current study, we considered student diversity in terms of three sociodemographic characteristics (age, gender, and second language) and three dispositional student characteristics (computer anxiety, test anxiety, and technology openness). Objectives: The main objective of this study was to investigate the relationship between student diversity and acceptance of e‐exams. Methods: Our research combined cross‐sectional analyses (N = 1639) with data from a natural experiment on the introduction of e‐exams versus the established paper‐pencil exams (N = 626) and used both self‐report and institutional data. Sociodemographic and dispositional characteristics were indirectly related to pre‐exam acceptance via expectancy variables from the Technology Acceptance Model framework. Results and Conclusions: Comparisons of post‐exam acceptance showed that practical experience with the e‐exam led to a significant increase in e‐exam acceptance, and that students with low openness toward technology particularly benefited from this effect. Students' exam performance (i.e., grades) was unrelated to the exam format or their pre‐exam acceptance of the e‐exam format, and this was true across students' sociodemographic and dispositional characteristics. Takeaway: Student diversity plays a role in e‐exam acceptance, but its influence is mitigated by first‐hand experience with e‐exams. The practical implications for higher education institutions aiming to implement e‐exams are discussed. Lay Description: What is already known about this topic: The use of e‐exams in higher education is increasingThe role of student diversity for e‐exam acceptance is unclearTechnology acceptance is predicted by expectancies towards new system What this paper adds: We investigated students' sociodemographic and dispositional diversityDiversity predicted e‐exam acceptance via the expectanciesIn a natural experiment, first‐hand experience increased e‐exam acceptanceNo difference between performance in e‐exams and paper‐pencil‐exams found Implications of the study findings for practitioners: Higher education institutions implementing e‐exams should consider diversitySupport for older students and students with low technology openness neededNo student groups systematically disadvantaged by e‐exam implementationPractice rooms can increase experience with new system before exam [ABSTRACT FROM AUTHOR]

Important emerging measures of academic impact are article download and citation rates. Yet little is known about the influences on these and ways in which academics might manage this approach to dissemination. Three groups of papers by academics in a center for speech-language-science (available through a university repository) were compared. The first group of target papers were blogged, and the blogs were systematically tweeted. The second group of connected control papers were nonblogged papers that we carefully matched for author, topic, and year of publication. The third group were papers by different staff members on a variety of topics-Unrelated Control Papers. The results suggest an effect of social media on download rate, which was limited not just to Target Papers but also generalized to Connected Control Papers. Unrelated Control Papers showed no increase over the same amount of time (main effect of time, F(1,27) = 55.6, p < .001); Significant Group×Time Interaction, F(2,27) = 7.9, p = .002). The effect on citation rates was less clear but followed the same trend. The only predictor of the 2015 citation rate was downloads after blogging ( r = 0.450, p = .012). These preliminary results suggest that promotion of academic articles via social media may enhance download and citation rate and that this has implications for impact strategies. [ABSTRACT FROM AUTHOR]

The counting of papers and citations is fundamental to the assessment of research productivity and impact. In an age of increasing scientific collaboration across national borders, the counting of papers produced by collaboration between multiple countries, and citations of such papers, raises concerns in country-level research evaluation. In this study, we compared the number counts and country ranks resulting from five different counting methods. We also observed inflation depending on the method used. Using the 1989 to 2008 physics papers indexed in ISI's Web of Science as our sample, we analyzed the counting results in terms of paper count (research productivity) as well as citation count and citation-paper ratio (CP ratio) based evaluation (research impact). The results show that at the country-level assessment, the selection of counting method had only minor influence on the number counts and country rankings in each assessment. However, the influences of counting methods varied between paper count, citation count, and CP ratio based evaluation. The findings also suggest that the popular counting method (whole counting) that gives each collaborating country one full credit may not be the best counting method. Straight counting that accredits only the first or the corresponding author or fractional counting that accredits each collaborator with partial and weighted credit might be the better choices. [ABSTRACT FROM AUTHOR]

Permutation tests are the standard technique for significance testing in Analysis of Variance Simultaneous Component Analysis. However, there is a vast number of alternative approaches for permutation testing, and the number of choices grows in relation to the complexity of the study design. In this paper, we focus on longitudinal intervention studies with multivariate outcomes, a relevant experimental design in clinical studies where the outcome is an omics profile (such as in genomics, metabolomics, and the like). We propose a new technique to derive power curves tailored to the size and (un)balanced nature of the data set in the study. This technique is useful to identify misleading permutation tests, with lack of power or overly optimistic outcomes. We found that choosing the best permutation approach is far from intuitive and that there is a significant risk of deriving incorrect conclusions in real‐life analyses. Our approach avoids this risk and can be extended to other complex designs of interest. The code is available for free use. Permutation tests are the standard technique for significance testing in ASCA. However, there is a vast number of alternative approaches. In this paper, we focus on clinical studies where the outcome is an omics profile (such as in metabolomics and the like). We propose a new technique to derive power curves tailored to the size and (un)balanced nature of the data set. This technique is useful to identify misleading permutation tests, with lack of power or overly optimistic outcomes. [ABSTRACT FROM AUTHOR]

Background: In example‐based learning, examples are often combined with generative activities, such as comparative self‐explanations of example cases. Comparisons induce heavy demands on working memory, especially in complex domains. Hence, only stronger learners may benefit from comparative self‐explanations. While static text‐based examples can be compared easily, this is challenging for transient video‐based modelling examples used in complex domains because simultaneous processing of two videos is not feasible. Objectives: To allow for such comparisons, we combined video‐based modelling examples with static representations (i.e., summarizing tables) of the observed optimal and a suboptimal solution of the problem‐solving process. A comparative self‐explanation prompt asked learners to compare the different solution approaches. Our study investigated the impact of video‐based modelling examples versus independent problem‐solving on cognitive load and problem‐solving skill development. Moreover, we investigated the effects of comparative versus sequential self‐explanation prompts, depending on learners' prior knowledge. Methods: In an experiment, 118 automotive apprentices learned a car malfunction diagnosis strategy. Apprentices were divided into three groups: (1) modelling examples with comparative self‐explanation prompts, (2) modelling examples with sequential prompts, and (3) no examples or prompts. Diagnostic knowledge and skills were assessed before and after the intervention. Cognitive load was measured retrospectively. Results and conclusions: Despite no observed effects on cognitive load, modelling examples enhanced diagnostic knowledge and diagnostic skills with scaffolds, though not independent diagnostic skills without scaffolds. The need for more practice opportunities to foster independent diagnostic skills is assumed. Additionally, comparative prompts seem promising for learners with higher prior knowledge. Takeaways: Video‐based modelling examples were more beneficial for learning than practising to apply the diagnostic strategy. Static representations allow for comparisons of video examples and comparative prompts are promising for learners with higher prior knowledge (cf. expertise‐reversal effect). Further research, especially on the effects on cognitive load, is necessary. Lay Description: What is already known about the topic?: Text and video examples that model how to solve a problem are widely used in education.Text examples often include self‐explanation prompts that ask learners to compare several examples.For video examples, such comparison prompts have seldom been investigated, because comparisons are difficult to implement for transient videos. What does this paper add?: This paper shows that video examples combined with static summaries of processes that have been shown in the video example are effective and allow for comparisons of video examples.Such comparisons seem to be more promising for learners with higher prior knowledge. Implications for practice: Practitioners could combine video examples with static summaries of the processes shown in the video examples to allow for comparisons. [ABSTRACT FROM AUTHOR]

Background: Mindfulness practices enhance executive function skills and academic achievement, spurring interest in integrating mindfulness interventions into education. Embedding mindfulness practice into a digital math game may provide a low‐cost, scalable way to induce mindfulness and boost game‐based learning, yet this approach remains unexplored. Objectives: We investigated the learning benefits of integrating mindfulness exercises in a digital math learning game and examined how students' trait mindfulness might moderate the outcomes. Methods: Two classroom studies were conducted with 404 5th and 6th grade students from six public schools in the U.S. (nStudy 1 = 227, nStudy 2 = 177). The two randomized controlled experiments assigned students to one of the three conditions: passive control (playing the digital learning game Decimal Point), story‐enriched active control, or mindfulness‐enriched condition. Trait mindfulness, learning gains, and in‐game problem‐solving (including problem‐solving duration, error count and correctness after reminder) were assessed. Study 2 included a manipulation check to better understand the effects of the mindfulness intervention. Results: Findings showed no significant differences in learning gains, problem‐solving duration or error count among the conditions. Students' trait mindfulness did not moderate these outcomes. Mindfulness reminders in the mindfulness‐enriched game led to more correct answers after errors than jokes in the story‐enriched game. Study 2 revealed that we failed to induce higher state mindfulness through the mindfulness inductions. Conclusions: Mindfulness prompts could be especially beneficial for students experiencing frustration during gameplay, warranting more exploration for digital game‐based instruction. We highlight barriers and future directions for fostering mindfulness through computer‐based instruction in classrooms. Lay Description: What is currently known about this topic?: Researchers focus on digital games as productive learning environments for math, with potential for higher learning gains compared with traditional methods. However, results are mixed, and not all games lead to improved math outcomes.Executive function (EF) skills are crucial for math learning, and mindfulness‐based interventions show promise in enhancing EF skills in school‐aged students.Embedding mindfulness practice into a digital math game may provide a low‐cost, scalable way to induce mindfulness and, in turn, boost EF skills and game‐based learning, yet this approach remains unexplored What does this paper add?: This paper presents the results of two randomized control trials investigating the feasibility and benefits of incorporating mindfulness exercises into a digital math game designed for middle school students. Benefits are compared to those of a story‐enriched and regular version of the same digital math learning game.The paper also explores variations in the effects of the mindfulness‐enriched game based on students' initial trait mindfulness levels.We observe that listening to mindfulness inductions at the beginning of game sessions do not induce mindfulness, and therefore does not benefit math learning.We find that mindfulness prompts received after recurrent errors can be beneficial for students' problem solving. Implications of study findings for practitioners: Our study provides important information on how digital learning game designers should attempt to induce mindfulness in a digital game to promote learning.Digital learning game designers should consider incorporating mindfulness exercises into their games strategically. Presenting mindfulness inductions in audio format at the beginning of game sessions may not induce mindfulness or benefit math learning. Instead, designers should focus on integrating mindfulness prompts at moments when students encounter frustration within the learning game.Beyond embedding audio mindfulness exercises in the game, learning designers should also consider alternative technological and game features to induce mindfulness within a learning game. [ABSTRACT FROM AUTHOR]

Background: Behavioural intention (BI) has been predicted using other variables by adopting the technology acceptance model (TAM). However, few studies have examined whether BI can predict learning performance. Objectives: The present study used an extended TAM to investigate whether students' BI is a predictor of their listening learning performance (LLP) through vocabulary learning performance (VLP) in the context of mobile vocabulary‐assisted listening learning by using two mobile learning tools. Methods: A total of 129 college students with a pre‐intermediate level of English were recruited as participants, and a 10‐week mobile vocabulary‐assisted, listening‐learning course was conducted in 2022. In each task of this course, the students had to learn target words from a listening passage on Quizlet and then engage in listening activities on Randall's ESL Cyber Listening Lab. Quantitative responses obtained through an online questionnaire were analysed through partial‐least‐squares structural equation modelling. Results: The analysis results indicated that BI significantly predicted LLP through VLP. Perceived ease of use (PEU) and perceived usefulness (PU) were significant antecedents of BI. However, PEU did not significantly predict PU because of the difficulty of navigating between the two technological tools used in this study. The extended model demonstrated its effectiveness in explaining listening learning performance, as evidenced by an explained variance (R2) of 69%. Conclusion: The extended model validates the influence of BI on learning performance and it can also draw teachers' focus toward the significance of enhancing students' BI to improve their listening learning performance. Pedagogical implications based on the results are provided in this paper. Lay Description: What is already known about this topic?: TAM was used to study learners' acceptance of mobile‐assisted language learning.TAM incorporates latent variables to explore mobile‐assisted language learning.Investigating factors influencing BI is a primary research focus in extended TAM literature.Mobile tools could improve listening learning and vocabulary retention. What this paper adds to that: Learning performance was considered as a dependent variable in an extended TAM.BI might predict students' learning performance in vocabulary and listening in an extended TAM.Teachers used two mobile tools to design mobile vocabulary‐assisted listening tasks.Pre‐learning the target words facilitate students' listening learning performance. Implications for practice and/or policy: We show the importance of BI on predicting listening learning performance.The impact of BI on other factors became another focus of TAM research.Results highlight pre‐learning target words' importance for better listening performance.Existing mobile tools improve listening performance, avoiding new system development. [ABSTRACT FROM AUTHOR]

Background: This study examines the effect of a Theory of Mind (ToM) intervention on ToM abilities and social–emotional functioning in adolescents with developmental language disorder (DLD) or who are deaf/hard of hearing (D/HH). It emphasizes the importance of self‐reflection and measurement for personal growth. The research design incorporates both subjective and objective measures to evaluate the intervention's efficacy. Aims: To investigate the impact of the ToM intervention on ToM abilities and social–emotional functioning in adolescents with DLD or who are D/HH. It hypothesizes that participants in the intervention groups will show improved ToM and social–emotional functioning compared with those in the control groups. Methods & Procedures: Adolescents with DLD or who are D/HH were recruited through collaboration with educational institutions. The study utilized a pre‐/post‐test design, assigning participants to either the intervention or the control group. The ToM intervention involved targeted activities to enhance ToM abilities. ToM abilities and social–emotional functioning were assessed using standardized tests and self‐report questionnaires. Statistical analyses compared outcomes between the intervention and no intervention groups. Outcomes & Results: The findings reveal subjective improvements in social–emotional functioning among the D/HH intervention group. However, no significant effects on objective ToM measures were observed. These results highlight the need for further investigation and refinement of interventions in these areas. Future research should focus on improving intervention strategies and exploring additional objective measures to gain a comprehensive understanding of the intervention's impact on ToM and social–emotional functioning in this population. Conclusions & Implications: The ToM intervention shows subjective benefits in improving social–emotional functioning among D/HH adolescents. However, it does not yield significant effects on objective ToM measures. These findings emphasize the ongoing need to refine interventions targeting ToM abilities and social–emotional functioning in this population. Future studies should explore alternative strategies and incorporate additional objective measures to enhance understanding and outcomes. WHAT THIS PAPER ADDS: What is already known on this subject: Before this study, it was known that ToM interventions have the potential to enhance ToM abilities. However, the specific effects of such interventions on subjective and objective measures for ToM and social–emotional functioning in adolescents with DLD or who are D/HH remained unclear, necessitating further research. What this paper adds to the existing knowledge: This study adds to the existing knowledge by demonstrating subjective improvements in social–emotional functioning among adolescents who are D/HH and underwent a ToM intervention. However, no significant effects on objective ToM measures were observed. These findings highlight the need for refining interventions and exploring additional measures to better understand the intervention's impact. What are the potential or actual clinical implications of this work?: The subjective improvements in social–emotional functioning observed in this study have important clinical implications. They suggest that ToM interventions can positively impact the social well‐being of adolescents who are D/HH. However, the lack of significant effects on objective ToM measures emphasizes the need for further research and intervention refinement to address specific areas of improvement in this population. [ABSTRACT FROM AUTHOR]

Background: Pictures drawn by people with aphasia (PWA) are often more challenging to understand than those drawn by healthy people. There are two types of objects: those that tend to be drawn symbolically (symbolically drawn objects—SOs) and those that are likely to be drawn realistically (realistically drawn objects—ROs). Aims: To compare the identification rate and number of misunderstanding types between SOs and ROs drawn by PWA and healthy controls (HCs). To reveal trends in the misunderstandings of drawings by PWA, and to identify the language or cognitive abilities related to the identification rate of pictures drawn by PWA. Methods & Procedures: We designed a drawing task involving SOs and ROs. A total of 18 PWA and 30 HCs completed the task, and respondents identified the drawings. The identification rate and number of misunderstandings were analysed with two‐way analysis of variance (ANOVA) including group (PWA and HCs) and object type (SOs and ROs). The misunderstandings were divided into four categories varying in semantic and morphological similarity; these ratios were examined with a chi‐square test. The relationships of language and cognitive abilities with the identification rate were investigated with multiple regression analyses. Outcomes & Results: There was a significant effect of the interaction between group and object type on the identification rate (F(1.1387) = 3.90, Mean Squared Error (MSE) = 4139.67, p = 0.04): the identification rates for ROs were lower in the PWA than in the HCs. For the number of misunderstanding types, an interaction was observed between group and object type (F(1.56) = 8.26, MSE = 26.93, p < 0.01): the number of misunderstanding types for ROs in the PWA was greater than that in the HCs. The misunderstanding patterns differed between ROs and SOs (χ2(3) = 694.30, p < 0.001, V = 0.37). ROs were semantically related, whereas SOs were morphologically related. The identification rates of ROs and SOs were correlated only with Kanji writing scores (ROs: β = 3.66, p = 0.01; SOs: β = 6.57, p < 0.01). Conclusions & Implications: In drawings by the PWA, SOs had a higher identification rate, while ROs had a lower identification rate and a greater variety of misunderstandings. SOs may increase drawing motivation. Interventions to improve the identifiability of SOs and ROs should reflect each character. Identification rates were correlated only with Kanji writing scores. The PWA, whose native language was Japanese and had preserved Kanji writing abilities, and their communication abilities may be increased through drawing. WHAT THIS PAPER ADDS: What is already known on the subject: PWA often have impaired drawing abilities and draw pictures that third parties misinterpret. Some objects tend to be drawn symbolically, and some are drawn realistically. However, it is not clear whether there is a difference between these types of drawings depicted by PWA in identifiability and the tendency to be misunderstood by ordinary people. In addition, the relationships between language or cognitive abilities and the identification rate of drawn pictures are not clear. What this paper adds to the existing knowledge: The identification rate differed between SOs and ROs. In drawings by PWA, SOs had a higher identification rate, while ROs had a lower identification rate and the greatest variety of misunderstandings. Approximately half of the misunderstandings were related to the target object. SOs tended to be confused with morphologically related objects, while ROs tended to be confused with semantically related objects. Identification rates were correlated only with Kanji writing scores. What are the potential or actual clinical implications of this work?: To motivate PWA's drawing, it is suitable to begin with SOs. Examining drawing ability from the perspective of SOs and ROs increases the chance of identifying drawing ability. PWA whose native language is Japanese and have preserved Kanji writing abilities may be able to increase their communication abilities through drawing. [ABSTRACT FROM AUTHOR]

Background: Training parents to implement language and communication intervention strategies is an effective approach to promote language development for children with language delay. Aims: This study introduces an online parent training program conducted in Hubei province, China, which was designed to help parents of language‐delayed children with a diagnosis of autism spectrum disorder (ASD), developmental language disorder (DLD) or global developmental delay (GDD) apply language intervention strategies into daily interactions and promote their children's language development at home. Methods & Procedures: The Bethel Hearing and Speaking Training Center Family Training for Early Communication & Language Development (Bethel Family Training Program, BFT) (Bethel HSTC, 2020) was designed to improve the language and communication skills for children with language delay in a naturalistic way. The caregivers (including parents, grandparents and other main caregivers) participated in an 8‐h online program, including lectures on milestones in child language development, common misunderstandings of child language development, and three basic family language intervention strategies ('Looking together, playing together, and talking together') incorporating active learning through video analysis and discussion. Tongji Hospital in Hubei then continued with 3 months of online home intervention monitoring to all the caregivers via weekly online Q&As led by BFT certified speech therapists' team. The Gesell Developmental Schedules (GDS) was carried out before the online parent training program and after the 3‐month online home intervention monitoring. Outcomes & Results: 146 families whose children aged 12–68 months with language delay participated in the online training program. The results of the GDS assessments conducted before and after the program showed that not only did the developmental quotient (DQ) of language improve, but so did the DQ of social behaviour and adaptive behaviour (p < 0.001). There is no between‐group difference in the application of three strategies between the ASD group and the DLD or GDD group (p > 0.05). Furthermore, both caregivers' ability to apply 'looking together, playing together, talking together' strategies and the effective interaction time played important roles in improving the child's language abilities. Conclusion & Implications: The online parent training focusing on improving daily interaction with children through speech–language stimulation strategies promoted the development of language skills. It is an economic and practical approach for children with language delay who have limited access to local language intervention programs. WHAT THIS PAPER ADDS: What is already known on the subject: Parent‐implemented language intervention is an effective approach at improving children's language development. Telepractice is an appropriate model of service delivery for audiologists and speech–language therapists and may be the primary mode of service delivery or may supplement in‐person services. What this paper adds to the existing knowledge: This paper explores the effectiveness of an online parent training program and provides new evidence that online training on language support strategies (looking together, playing together, talking together) followed by home intervention monitoring works for Mandarin‐speaking children and it is equally effective for children with ASD and non‐ASD diagnosis. What are the potential or actual clinical implications of this work?: Developmental behavioural paediatricians and speech–language therapists in countries and areas that lack sufficient training resource for every child will have the option to deliver parent training and home intervention monitoring online, which will save time and cost considerably while offering convenience. [ABSTRACT FROM AUTHOR]

Background: Virtual reality (VR) offers much potential for learning, but it challenges learners' orientation. Objectives: This paper investigates whether it is possible to use light or movement cues to facilitate orientation in a search task in a desktop‐VR environment so that participants can better attend to the learning content presented simultaneously. Methods: In two pre‐registered online experiments, we investigated the effects of cueing (light and movement) on search time, learning, and several evaluation variables. Participants were asked to find tools in a virtual workshop, while information about the respective tool was narrated. Experiment 1 (N = 60) used a within‐subject design, that is, the objects were alternately highlighted by light, movement or not. For Experiment 2 (N = 159) the narration was substantially shortened, and a between‐subject design was used. Cognitive load and presence were measured additionally. Results and conclusions: In Experiment 1, only the movement cue decreased search time, indicating automatic guidance of learners' attention. There was no effect of cueing on learning, which may be due to the average search time being substantially shorter than the narration, leaving sufficient time to attend to the narration exclusively. In Experiment 2 search times were significantly faster for both cueing methods, but only the light cue resulted in better learning outcomes, which could be explained by the slightly lower presence in the movement cue condition. Implications: Results imply that it is important to develop cues that automatically guide attention without reducing presence. Lay Description: What is already known about this topic: Virtual reality (VR) offers a lot of opportunities for the integration of educational scenarios.VR is challenging for learners with regard to orientation in a 360° environment.Regarding learning outcomes, research on the effects of cues to highlight important content in a 360° environment is still rare.Presence, defined as the feeling of being there in a VR environment, is an important prerequisite for learning in VR. What this paper adds: The influence of light and movement cues on search times and learning outcomes in a desktop‐VR environment was tested.Movement cues can reliably reduce search times (indicating successful orientation), whereas light cues only reduced search times in predictable scenarios.In a predictable scenario, light cues enhanced learning outcomes compared with movement cues.Movement cues reduced presence, which is one potential reason why movement cues did not improve learning. Implications for practice and/or policy: Using light cues might assist orientation and enhance overall performance in predictable scenarios (i.e., when learners know what kind of cue to expect).In an unpredictable setting with variable cues, light cues did not facilitate orientation, whereas movement cues did.However, movement cues reduced presence, which may have negatively affected learning outcomes. It is important to develop cueing methods that also work in more unpredictable settings, but that do not reduce presence. [ABSTRACT FROM AUTHOR]

Background: A practical test that measures the information and communication technology (ICT) skills students need for effectively using ICT in primary education has yet to be developed (Oh et al., 2021). This paper reports on the development, validation, and reliability of a test measuring primary school students' ICT skills required for effectively using ICT (the ECC‐ICT test). Objectives: Based on existing literature, three ICT use domains were identified for effectively using ICT: Effective, collaborative, and creativeuse of ICT. For these three domains, 24 corresponding teaching objectives were identified from a widely used digital literacy framework. Thirty‐four test items cover these teaching objectives in an online test. Methods: A mixed‐method approach was used for the ECC‐ICT test. Four pilot rounds (n=25) implemented qualitative interviews for cognitive validity and refining the test items, followed by a qualitative usability study(n=6). Confirmatory factor analysis and ANOVA provided quantitative insight into the large‐scale test administration(n=575). Results and Conclusions: Composite reliability of our conceptual 3‐factor confirmatory model showed that the test reliably measured primary school effective use of ICT (ω = 0.82), collaborative use of ICT (ω = 0.80) and creative use of ICT (ω = 0.64). Convergent validity (ranging from 0.41 to 0.46) was acceptable. Internal consistency (ranging from 0.84 to 0.91) and discriminant validity (HTMT values below 0.90) are good. ANOVA results show that mean test scores are higher for students in higher grade levels (p < 0.001). The post hoc Bonferroni results show that most grade‐by‐grade comparisons are significant (p < 0.001). Lay Description: What is already known about this topic: Information and communication technology (ICT) skills are finding their way into national curriculums as teachers implement more digital learning environments.Teachers currently do not have a measurement instrument for the ICT skills primary education students need to learn in a personalised way. What this paper adds: This paper gives teachers a test that reliably measures the effective, collaborative, and creative ICT skills required for primary school students to learn using ICT.To our knowledge, this test is the first of its kind.Al materials to reproduce the test are available digitally for teachers. The implications of study findings for practitioners: For policy, this test can be used to check if a student is ready to use ICT in a self‐regulated setting.With this test, teachers can assess and support students' growth on the effective, collaborative, and creative ICT skills required for primary school students using ICT. [ABSTRACT FROM AUTHOR]

The effectiveness of a video tutorial versus a paper-based tutorial for software training has yet to be established. Mixed outcomes from the empirical studies to date suggest that for a video tutorial to outperform its paper-based counterpart, the former should be crafted so that it addresses the strengths of both designs. This was attempted in the present study. Two consecutive experiments were conducted to examine the effect of tutorial type (video vs. paper based) on task relevance, self-efficacy, mood, flow and task performance. Participants were students from junior high school. Both studies reported significant, positive contributions of the tutorials to task relevance, self-efficacy, mood and flow. Both studies also found significant and substantial effects on task performance. A learning gain of about 30% was achieved in both studies. A retention task, completed only in Study 2, further revealed that the learning effect was stable. More importantly, performance on this task also indicated a significant interaction with tutorial type, favouring the video. The success of the video tutorial is ascribed to its design, which attended to and even incorporated key qualities of paper-based tutorials, while also capitalizing on the strengths of video. [ABSTRACT FROM AUTHOR]

This paper provides introductory statistics instructors with the capacity to use engaging National Basketball Association (NBA) data within a web application to either strengthen students' understanding or introduce the concept of variance and one‐way analysis of variance. Using engaging data within the classroom provides context to data that students deem applicable to their lives. This paper not only provides a lesson plan for teaching these concepts but also provides a web application and the engaging NBA dataset if the instructor decides to use the app or the data in another context. The NBA data selected to focus on the debate "Who is the greatest NBA player of all time?". By using context students are familiar with and interested in, we can get them interested in and further engaged in statistics. [ABSTRACT FROM AUTHOR]

There are many benefits of breastfeeding to women and their infants but meeting the recommended 6 months of exclusive breastfeeding is likely to be more challenging for women with severe mental illness (SMI). This is the first systematic review that aims to examine evidence of (a) infant feeding outcomes in women with SMI and the factors associated with this, (b) the experiences of infant feeding and infant feeding support for women with SMI, (c) interventions for supporting infant feeding among these women and (d) health care professionals' attitudes toward supporting infant feeding in women with SMI. Mixed methods systematic review was carried out using the principles of Joanna Briggs Institute's (JBI) 'convergent integrated' methodology. CINAHL, PsycINFO, Medline and MIDIRS were used to search literature between 1994 and 2022. The quality of selected articles was assessed using JBI critical appraisal tools and thematic synthesis was undertaken to obtain findings. Eighteen papers were included in the final review. Women with SMI were less likely to initiate and continue breastfeeding than women without SMI. Several challenges with breastfeeding were highlighted, and while these were often linked to women's mental health difficulties, inconsistent advice from health care professionals and poor support with breastfeeding further compounded these challenges. This review highlights that policy and practice need to take into account the individual challenges women with SMI face when planning, initiating and maintaining breastfeeding. Education and training for health care professionals are needed to enable them to provide tailored infant feeding support to women with SMI, which reflects their individual needs. Key messages: Women with severe mental illness (SMI) are less likely to initiate and maintain breastfeeding compared to women without SMI.Challenges were identified among women with SMI including poor professional support with infant feeding.Education and training are required for health care professionals to individualise infant feeding support for women with SMI and should include information regarding medication and optimising sleep while breastfeeding.No evidence of effective interventions to support breastfeeding in women with SMI were identified and there was limited evidence of women's experiences of infant feeding.Further research is required with larger sample sizes and clearly defined measures of infant feeding outcomes. [ABSTRACT FROM AUTHOR]

Purpose Although tablet computers offer advantages in data collection over traditional paper-and-pencil methods, little research has examined whether the 2 formats yield similar responses, especially with underserved populations. We compared the 2 survey formats and tested whether participants' responses to common health questionnaires or perceptions of usability differed by survey format. We also tested whether we could replicate established paper-and-pencil findings via tablet computer. Methods We recruited a sample of low-income community members living in the rural southern United States. Participants were 170 residents (black = 49%; white = 36%; other races and missing data = 15%) drawn from 2 counties meeting Florida's state statutory definition of rural with 100 persons or fewer per square mile. We randomly assigned participants to complete scales (Center for Epidemiologic Studies Depression Inventory and Regulatory Focus Questionnaire) along with survey format usability ratings via paper-and-pencil or tablet computer. All participants rated a series of previously validated posters using a tablet computer. Finally, participants completed comparisons of the survey formats and reported survey format preferences. Findings Participants preferred using the tablet computer and showed no significant differences between formats in mean responses, scale reliabilities, or in participants' usability ratings. Conclusions Overall, participants reported similar scales responses and usability ratings between formats. However, participants reported both preferring and enjoying responding via tablet computer more. Collectively, these findings are among the first data to show that tablet computers represent a suitable substitute among an underrepresented rural sample for paper-and-pencil methodology in survey research. [ABSTRACT FROM AUTHOR]

Nomex Honeycomb core is the foundational building block for manufacturing aerospace composite components. Its usage requires machining honeycomb in complex aerodynamic profiles where the quality of the core is governed by accuracy and precision of cut profiles. The assessment of accuracy and precision is directly related to forces induced in the cutting tool and cutting efficiency. These two parameters form the basis of a multi‐objective function that this paper aims to optimize for the milling operation. The parameter of depth of cut considered in this paper has not been analyzed in a multi‐objective optimization study of the Nomex Honeycomb core previously. A Taguchi‐based array of Design of Experiments followed by Analysis of Variance and correlation analysis is utilised. The results indicate that the most significant factor is the feed rate, with a percentage contribution of 72% for the cutting forces and depth of cut, with a percentage contribution of 85% in the case of cutting efficiency. The two parameters are optimized using Desirability Function Analysis and Grey Relational Analysis. The results are validated through experimental runs with an error within 5% of the statistical predictions, with the percentage improvement in cutting forces for optimum runs as compared to the worst experimental run at 47.8%. The percentage improvement in cutting efficiency likewise is 11%. [ABSTRACT FROM AUTHOR]

Background: Driven by the ongoing need to provide high‐quality learning and teaching, universities recently have shown an increased interest in using learning analytics (LA) for improving learning design (LD). However, the evidence of such improvements is scarce, and the maturity of such research is unclear. Objectives: This study is aimed to evaluate the maturity of research discussing LA‐driven LD improvements in higher education. Methods: The systematic review analyses 49 empirical papers, assesses their quality and suggests further research directions. The review elaborates on methodological (research questions, strategy and methods, LA‐LD integration theoretical backgrounds) and substantial (LA‐driven LD improvements, types of data used, LA software development) features of the papers. Results and Conclusions: The findings demonstrated the lack of theoretical alignment between LA and LD, with research tending towards user experience studies. The most frequently used research strategy was a case study; experiments were very rare. Researchers predominantly used parsing for collecting data and AI methods for analysing it; mostly used data types related to registering learners' engagement with learning activities as well as resources and tools provided in digital learning environments. Takeaways: The research area discussing LA‐driven LD improvements still has a way to go before attaining the level of full maturity. Only a third of the papers reported actual LA‐driven LD improvements; moreover, only three papers measured their effectiveness. The presented LA software was mostly at the beta or implementation stages and did not assess the impact of using this software. Lay Description: What is already known about this topic: Universities show an increased interest in using LA for improving LD.The evidence of such improvements being efficient is scarce.Learning analytics is weakly grounded in learning and teaching. What this paper adds: LA‐LD research presented in the reviewed papers cannot yet be considered fully mature.Almost half of the research was carried out using a case study approach, intrinsically challenging in terms of replication and validity. As few as three out of the reviewed studies applied an experimental approach, capable of stating the cause–effect relationship between LA and LD.All the studied papers mentioned improvements in LD, but only around a third of them reported actual improvements, another one‐third suggested potential improvements, and the rest did not come down to describing any.The LA software presented in the papers was mostly at the testing or implementation stages, and the impact of implemented software on LD has yet to be evaluated. Implications for practice and/or policy: Future LA‐LD research to become more mature may well elaborate on theoretical footing, contribute to the cause–effect relationship between LA and LD utilising experimental research design, ensure sufficient sample size.Practitioners' efforts should be directed to operationalising LD for efficient measurements, addressing pedagogical challenges when applying LA, and assessing LA‐driven improvements introduced into LD. [ABSTRACT FROM AUTHOR]

Background: Previous studies have shown that dynamic illustrations, as compared to their static counterparts, lead to higher achievement levels, especially for hand‐based procedures. Other researchers have investigated how the presence of seductive details (i.e., appealing but irrelevant adjunct displays) influences students' interest positively but their learning negatively. Objectives: The purpose of the two present studies was to investigate the effects of animated versus static presentations, combined with the presence of seductive details, on student performance on a paper‐folding task (i.e., origami) in a naturalistic school environment. Methods: Fifty‐five children (5–6 years old) participated in the first study and were randomly assigned to one of four groups. The second study was conducted with older children (72 s or third graders) and a more complex origami task. Results and Conclusions: In the first study, results demonstrated negative effects of seductive details on children's performance and time on task, but no effects of presentation format. In the second study, no negative effects of seductive details on student achievement were found, but animated illustrations significantly improved children's performance and reduced time on task. However, seductive details tended to impair learning more greatly given the presence of static, as compared to animated, presentations. Task difficulties and pupils' ability to inhibit irrelevant information may explain these results. Lay Description: What is already known about this topic: Seductive details negatively influence young children's performance.Animated illustrations have been shown to improve students' learning for dynamic procedure. What this paper adds: This is the first study investigating the influence of animated vs. static illustrations combined with seductive details on children's learning performance.Animated illustrations improve children's performance for a challenging dynamic procedure.Seductive details tended to impair more learning from static than from animated presentations.Results are discussed in relation to the task's difficulty as well as students' ability to inhibit irrelevant information. Implications for practitioners: Animated illustrations should be used when presenting dynamic procedures.Instructors should use seductive details cautiously in pedagogical documents particularly when the task is difficult. [ABSTRACT FROM AUTHOR]

Background: Parkinson's disease (PD) can affect social interaction and communication as well as motor and cognitive processes. Speech is affected in PD, as is the control of voluntary eye movements which are thought to play an important role in 'turn taking' in conversation. Aims: This study aimed to measure eye movements during spoken conversation in PD to assess whether differences in patterns of eye gaze are linked to disrupted turn taking and impaired communication efficiency. Methods & Procedure: Eleven participants with mild PD and 14 controls completed a two‐player guessing game. During each 3 min game turn, one of the players had to guess the names of as many objects as possible based only on the other player's description. Eye movements were recorded simultaneously in both participants using mobile eye trackers along with speech onset and offset times. Outcomes & Results: When people with PD played the role of describer, the other player guessed fewer objects compared to when controls described objects. When guessing objects, people with PD performed just as well as controls. Analysis of eye fixations showed that people with PD made longer periods of fixation on the other player's face relative to controls and a lower number of such 'gaze on face' periods. Conclusions & Implications: A combination of oculomotor, cognitive and speech abnormalities may disrupt communication in PD. Better public awareness of oculomotor, speech and other deficits in the condition could improve social connectedness in people with Parkinson's. WHAT THIS PAPER ADDS: What is already known on this subject?: Parkinson's disease is known to affect the control of voluntary eye movements. Direction of eye gaze is important in spoken conversation as a cue to turn‐taking, but no studies have examined whether eye movements are different during communication in people with Parkinson's. What this paper adds to existing knowledge?: People with Parkinson's showed longer periods of eye fixation during conversations compared to controls. Delays and overlaps between speech turns were also affected in patients. What are the clinical implications of this work?: Better knowledge of the effect of the disease on eye gaze control amongst clinicians may help improve communication and social connectedness for patients in the future. [ABSTRACT FROM AUTHOR]

This paper presents the first large‐scale multivariate analysis of future‐time reference (FTR) variation in world Englishes. On the basis of 7,922 hand‐coded tokens from eight corpora of the International Corpus of English suite, the study probes the effect of eight predictor variables on the choice between will and BE going to (BGT) as FTR markers. Statistically significant effects for all conditioning variables except polarity are found, as well as two significant interaction terms involving modality. By contrast, the predictor variety enters the model only as a main effect, but is not involved in any interactions. This is interpreted as a sign of strong unity in the system of FTR variation in English world‐wide. At the theoretical level, the paper argues for a stronger focus on such tendencies towards unity among global varieties of English. [ABSTRACT FROM AUTHOR]

Background: There are only few guidelines on how instructional videos should be designed to optimize learning. Recently, the effects of social cues on attention allocation and learning in instructional videos have been investigated. Due to inconsistent results, it has been suggested that the visual complexity of a video influences the effect of social cues on learning. Objectives: Therefore, this study compared the effects of social cues (i.e., gaze & gesture) in low and high visual complexity videos on attention, perceived cognitive load, and learning outcomes. Methods: Participants (N = 71) were allocated to a social cue or no social cue condition and watched both a low and a high visual complexity video. After each video, participants completed a knowledge test. Results and Conclusions: Results showed that participants looked faster at referenced information and had higher learning outcomes in the low visual complexity condition. Social cues did not affect any of the dependent variables, except when including prior knowledge in the analysis: In this exploratory analysis, the inclusion of gaze and gesture cues in the videos did lead to better learning outcomes. Takeaways: Our results show that the visual complexity of instructional videos and prior knowledge are important to take into account in future research on attention and learning from instructional videos. Lay Description: What is already known about the topic: Instructional videos are widely used in education.Learners need to timely attend to relevant content to learn successfully.Learners' attention might be guided towards relevant content with social cues (gaze and gesture of a presenter or instructor) but findings regarding learning outcomes are inconclusive. What does this paper add: This paper is the first to examine the role of the visual complexity of an instructional video in the interplay between social cues (gaze and gesture), learners' attention allocation, and learning outcomes. Implications for practice: The results show that visual complexity influences the learners' attention allocation and learning outcomes.Social cues (i.e., gaze & gesture) improved learning outcomes when controlling for learners' prior knowledge. [ABSTRACT FROM AUTHOR]

Background Studies: Captioning and repetition are widely used multimedia instructional devices for non‐native students. Generally, studies in this area have tended to focus on second language literacy skills rather than on learning new content knowledge. Additionally, posttests were administered immediately after the treatments, while the delayed influences of captioning and repetition have never been investigated. Objectives: This paper addressed these research gaps in two separate studies. More specifically, this study attempted to examine the influences of captioning and repetition on non‐native students' immediate and relayed retention. Methods: In Study One, three captioning conditions; word‐by‐word captions, closed captions, and no‐captions; were compared to examine their efficacies in immediate and delayed content knowledge retention on 82 Chinese university students. To address the limitations in Study One as the multimedia lesson was short and played only once, Study Two incorporated captioning and two repetition types in its design. One hundred and eleven Chinese university students watch a video lesson in one of four captioning and repetition conditions. Results: The statistical analyses of Study One indicated that there were no significant differences in both immediate and delayed retention test scores across the three captioning condition. Similarly, in Study Two, there were no significant differences in retention tests scores across the four captioning and repetition conditions. Findings: Neither the availability of captions nor the repetition types had any impact on the Chinese students' immediate or delayed content knowledge retention, which lent support to existing studies. Based on the research results, the limitations and future study possibilities are discussed. Lay Description: What Is Already Known About This TopicEmpirical studies on captioning have focused on immediate learning right after the treatment, so have studies on repetition.Empirical studies on multimedia lessons for non‐native students have focused on English language learning. What This Paper AddsThree types of captioning were compared to examine their efficacies in both immediate and delayed content retention of Chinese students.Two types of repetition were compared to examine their efficacies in both immediate and delayed content retention of Chinese students. Implications for Practice and/or Policy:Neither the availability of captions nor the repetition types had any impact on the Chinese students' immediate or delayed content knowledge retention.The availability of textual keywords adjacent to their corresponding graphics might have compromised the efficacy of captioning. [ABSTRACT FROM AUTHOR]

Background: Speech–language pathologists often multitask in order to be efficient with their commonly large caseloads. In stuttering assessment, multitasking often involves collecting multiple measures simultaneously. Aims: The present study sought to determine reliability when collecting multiple measures simultaneously versus individually. Methods & Procedures: Over two time periods, 50 graduate students viewed videos of four persons who stutter (PWS) and counted the number of stuttered syllables and total number of syllables uttered, and rated speech naturalness. Students were randomly assigned to one of two groups: the simultaneous group, in which all measures were gathered during one viewing; and the individual group, in which one measure was gathered per viewing. Relative and absolute intra‐ and inter‐rater reliability values were calculated for each measure. Outcomes & Results: The following results were notable: better intra‐rater relative reliability for the number of stuttered syllables for the individual group (intraclass correlation coefficient (ICC) = 0.839) compared with the simultaneous group (ICC = 0.350), smaller intra‐rater standard error of measurement (SEM) (i.e., better absolute reliability) for the number of stuttered syllables for the individual group (7.40) versus the simultaneous group (15.67), and better inter‐rater absolute reliability for the total number of syllables for the individual group (88.29) compared with the simultaneous group (125.05). Absolute reliability was unacceptable for all measures across both groups. Conclusions & Implications: These findings show that judges are likely to be more reliable when identifying stuttered syllables in isolation than when simultaneously collecting them with total syllables spoken and naturalness data. Results are discussed in terms of narrowing the reliability gap between data collection methods for stuttered syllables, improving overall reliability of stuttering measurements, and a procedural change when implementing widely used stuttering assessment protocols. WHAT THIS PAPER ADDS: What is already known on the subject: The reliability of stuttering judgments has been found to be unacceptable across a number of studies, including those examining the reliability of the most popular stuttering assessment tool, the Stuttering Severity Instrument (4th edition). The SSI‐4, and other assessment applications, involve collecting multiple measures simultaneously. It has been suggested, but not examined, that collecting measures simultaneously, which occurs in the most popular stuttering assessment protocols, may result in substantially inferior reliability when compared to collecting measures individually. What this paper adds to existing knowledge: The present study has multiple novel findings. First, relative and absolute intra‐rater reliability were substantially better when stuttered syllables data were collected individually compared to when the same data were collected simultaneously with total number of syllables and speech naturalness data. Second, inter‐rater absolute reliability for total number of syllables was also substantially better when collected individually. Third, intra‐rater and inter‐rater reliability were similar when speech naturalness ratings were given individually compared to when they were given while simultaneously counting stuttered and fluent syllables. What are the potential or actual clinical implications of this work?: Clinicians can be more reliable when identifying stuttered syllables individually compared to when they judge stuttering along with other clinical measures of stuttering. In addition, when clinicians and researchers use current popular protocols for assessing stuttering that recommend simultaneous data collection, including the SSI‐4, they should instead consider collecting stuttering event counts individually. This procedural change will lead to more reliable data and stronger clinical decision making. [ABSTRACT FROM AUTHOR]

Background: One of the most consistent findings reported in the paediatric cochlear implant (CI) literature is the heterogeneity of language performance observed more in grammatical morphology than in lexicon or pragmatics. As most of the corpus studies addressing these issues have been conducted in English, it is unclear whether their results can be generalized to other languages. In particular, little is known about languages known for their grammatical complexity, such as French. Aims: The aim of this corpus study was to compare the productive use of function words (FWs) and some agreement features (AGRs) in children with CIs and children with typical development (TD) matched for mean length of utterance in words (MLUwords), a general index of grammatical complexity, and auditory experience, as measured by hearing age (HA) and chronological age (CA), respectively. Methods & Procedures: Natural speech samples from 116 monolingual French‐speaking children, including 40 children with CIs followed longitudinally and 76 TD children, were collected. FWs and AGRs were analysed using a Part of Speech Tagger (POS‐T) from the Child Language Data Exchange System (CHILDES). Outcomes & Results: The two groups differed by 3 years for HA and CA. No effect of family socio‐economic status (SES) was found in the CI group. Stepwise regression analyses showed that the two groups did not share the same predictors of MLUwords: plurals and determiners predicted MLUwords in children with CIs, at 2 and 3 years of HA, whereas feminine markers and subject‐pronouns were found to best predict MLUwords in TD children at 2 and 3 years of CA. Structural equation models (SEMs), a combination of confirmatory factor analysis (CFA) and path analysis, yielded a different hierarchical structure of grammatical relations (GRs). Selective difficulties affecting verbal clitics and other pronominal forms were found specifically in the CI group (object‐pronouns, reflexive, relative and past participles). Dependency grammar analysis confirmed these contrasting developmental profiles in multiword utterances, such as preposition/nouns, subject/verbs, and verb/determiner/nouns. Conclusions & Implications: Atypical grammatical patterns in children with CIs reflect a specific architecture of syntactic dependencies of FWs underpinning morphological complexity and syntactic connectivity. Clinical implications are discussed for assessment and intervention planning. What This Paper Adds: What is already known on this subject: The productive use of FWs has been identified as a particular area of weakness in children with CIs compared with TD children. In addition, heterogenous grammatical performance has often been found after 1–3 years of CI use, regardless of demographic factors such as age at implantation, duration of deafness or SES. What this paper adds to existing knowledge: Assessing the early building of FWs and AGRs in children with CIs helps to understand the syntactic complexity and hierarchical structure of their language. Since most corpus studies on grammatical morphology have been conducted in English, it is not clear whether their difficulties can be generalized to other languages. The French language has a system of FWs and inflections that determine the morphophonological properties of nominal and verbal forms. Early grammar learning in children with CIs born with profound deafness were compared with the two groups of TD children matched both for duration of auditory experience (i.e., HA of CI children, CA of TD children) and for MLUwords. We found a similar profile between groups at 2 years but not at 3 years for HA and CA. The two groups do not share the same predictors of MLUwords: namely, plurals and determiners for CI children versus feminine markers and subject pronouns for TD children. They show a different syntactic organization of GRs. Children with CIs struggle with selective difficulties affecting verbal clitics and pronominal forms (object‐pronouns, reflexive, relative and past participles). Consistent with theories of morphophonological richness and syntactic connectivity, our results support the distributional learning hypothesis of language acquisition that infants and toddlers are sensitive to FWs and AGRs at an early age. Specific components of syntactic organization are disrupted in children with CIs. What are the potential or actual clinical implications of this work?: This work has potential clinical implications because it unravels the limitations of morphophonological processing in children with CIs. Its results highlight a specific difficulty in learning FWs and AGRs in a verbal inflectional morphology context. [ABSTRACT FROM AUTHOR]

Advances in digital equipment and organizations' interest in having comprehensive and real‐time information about products have increased the use of machine vision systems in organizations. In this paper, to monitor a sensory quality characteristic of a product based on images, the residual matrix of the intensity values of the nominal and captured images is divided into specific regions; then, the equality of the means of the regions is tested based on one‐way ANOVA. To do so, a P‐value–based control chart is applied to detect the out‐of‐control state as soon as possible. If an out‐of‐control alarm is received, Dunnett's test is used to identify region(s) with significant differences in the means of residuals (defective location[s] in the image) compared with other regions. After the locations of defective regions are identified, the change point of the process is estimated by using the maximum likelihood estimation approach. The performance of the proposed procedure is compared with some of the previous approaches in the literature. Then, the proposed procedure is implemented in a real‐world case. The simulation study demonstrates the merits of the proposed procedure: It is not limited to specific geometric types of faults; it has the ability to detect multiple faults in the image; it takes less computational time; and it performs well in estimating the real time of change, as well as the location(s) and dimension(s) of the fault(s). [ABSTRACT FROM AUTHOR]

Background: Holocaust memory and learning processes have become increasingly mediatised as a result of rapid technological advances. There is, however, little information available regarding how people learn about this topic informally through social media. Objectives: This paper explores how adult learners develop their learning ecologies by using social media to learn about the Holocaust informally. Methods: The study uses a learning ecology perspective to analyse the interests, expectations and learning process of a group of adult learners (N = 276). An online survey tool was developed to collect information on the interests, expectations, and benefits of learning about Holocaust‐related topics among online users of four Italian Holocaust museums' social media profiles (Facebook, Twitter, Instagram and YouTube). Descriptive and inferential statistics were used to summarise the characteristics of the sample and to answer the research questions. Results and Conclusions: The results show that most of the respondents are mostly women, with an average age of 50 and a higher level of education. In terms of interest and expectations, they are particularly interested in issues related to the intertwining of transnational and national memory. They also express a sense of civic responsibility with regard to the legacy of the Holocaust. Finally, components of the learning process show proactive behaviour and a preference for individual learning, while interaction with peers is considered less important. Takeaways: There is an urgent need to understand how learners' preferences influence the development of learning ecologies and the types of content they are most likely to be exposed to as a result. It is also important for social media content providers to understand that learners are looking for quality resources and trustworthy content to further their education. Lay Description: What is already known about this topic: Teaching and learning about the Holocaust is a field of study with an established scholarly tradition.Social media are information ecosystems that enable novel practices of Holocaust education and remembrance.The concept of lifelong learning ecologies has been developed to explain learning as a multidimensional and complex aspect of human life. What this paper adds: The study is the first to apply learning ecologies to the teaching and learning of the Holocaust through the use of digital technology.The study findings provide insight into how adults learn about the Holocaust informally using social media.The findings suggest that users are more proactive in their individual learning process and less active in interacting with peers. Implications for practice and/or policy: It is important to understand that learners' preferences have implications for the development of learning ecologies and the types of content to which they are most frequently exposed.In addition to providing opportunities for learners to critically reflect on their own learning practices, museum staff provide opportunities for learners to interact with each other and with Holocaust education specialists.Social media content providers should be aware that learners are looking for quality resources and trustworthy content to continue their learning. [ABSTRACT FROM AUTHOR]

Background: Continued professional development (CPD) is required for updated skills and knowledge. This study evaluates the efficacy of a CPD programme for mainstream school teachers. Aims: In an 11‐week intervention programme, speech–language therapists (SLTs) presented the participating teachers with whole‐class teaching techniques aimed at creating a language and communication‐supporting classroom environment. The effects of the intervention on the language development of the students in the teachers' classes were assessed. Methods & Procedures: A total of 211 first‐ and second‐year students (Mage = 7;6, range = 6;5–8;9) underwent standardized language assessments of receptive and expressive language abilities before and after their teachers' participation in the CPD. The students were divided into intervention and delayed intervention groups to enable randomized intervention allocation. Linear mixed modelling was used to estimate the individual and interaction effects of group, time and demographic factors. Outcomes & Results: Significant effects of time, group and school, respectively, but no interaction between time and group indicates that while all students advanced between assessments, the progress was not attributable to the teachers' participation in the CPD. Conclusions & Implications: Results are discussed in light of those of recent studies of universal services to support optimal language development. WHAT THIS PAPER ADDS: What is already known on this subject: Although inconclusive, previous research indicates that intervention delivered to teachers by SLTs has the potential to improve the language abilities of the students in the teachers' classrooms. What this paper adds to existing knowledge: This study explored the language development of first‐ and second‐year mainstream school students whose teachers took part in a CPD programme aimed at establishing language and communication‐supporting teaching techniques. Results indicate that the development of the students' language abilities could not be attributed to the teachers' participation in the CPD. What are the potential or actual implications of the work?: SLTs are often asked to guide teachers and teaching staff rather than themselves conduct individual assessments and interventions. The results of this trial can be used to inform the discussion on how to prioritize between tasks. [ABSTRACT FROM AUTHOR]

Background: Early and effective treatment for children with developmental language disorder (DLD) is important. Although a growing body of research shows the effects of interventions at the group level, clinicians observe large individual differences in language growth, and differences in outcomes across language domains. A systematic understanding of how child characteristics contribute to changes in language skills is still lacking. Aims: To assess changes in the language domains: expressive morphosyntax; receptive and expressive vocabulary; and comprehension, in children in special needs education for DLD. To explore if differences in language gains between children are related to child characteristics: language profile; severity of the disorder; being raised mono‐ or multilingually; and cognitive ability. Methods & Procedures: We extracted data from school records of 154 children (4–6 years old) in special needs education offering a language and communication‐stimulating educational environment, including speech and language therapy. Changes in language were measured by comparing the scores on standardized language tests at the beginning and the end of a school year. Next, we related language change to language profile (receptive–expressive versus expressive‐only disorders), severity (initial scores), growing up mono‐ and multilingually, and children's reported non‐verbal IQ scores. Outcomes & Results: Overall, the children showed significant improvements in expressive morphosyntax, expressive vocabulary and language comprehension. Baseline scores and gains were lowest for expressive morphosyntax. Differences in language gains between children with receptive–expressive disorders and expressive‐only disorders were not significant. There was more improvement in children with lower initial scores. There were no differences between mono‐ and multilingual children, except for expressive vocabulary. There was no evidence of a relation between non‐verbal IQ scores and language growth. Conclusions & Implications: Children with DLD in special needs education showed gains in language performance during one school year. There was, however, little change in morphosyntactic scores, which supports previous studies concluding that poor morphosyntax is a persistent characteristic of DLD. Our results indicate that it is important to include all children with DLD in intervention: children with receptive–expressive and expressive disorders; mono‐ and multilingual children, and children with high, average and low non‐verbal IQ scores. We did not find negative relations between these child factors and changes in language skills. WHAT THIS PAPER ADDS: What is already known on the subject: Intervention studies indicate that intervention can be effective, but not for all children with DLD, and not in all language domains. Longitudinal studies on language development show stable growth patterns in children with DLD at the group level. A systematic understanding of how child characteristics contribute to changes in language skills is still lacking. What this paper adds to existing knowledge: In this study, we report on the language gains of a cohort of 154 children with DLD (4–6 years old), in a special education setting for children with language disorders. Our sample includes children with receptive–expressive disorders and expressive‐only disorders, and monolingual as well as multilingual children. Our results show that children's language skills improved. The co‐normed tests we used revealed that the children had much lower growth in morphosyntax than in the other language domains. Language gains between children with receptive–expressive and expressive‐only language disorders did not differ, children with lower initial test scores showed more improvement than children with higher initial scores, multilingual children showed more gains in expressive vocabulary than monolingual children, and there was no effect of non‐verbal IQ on change in language scores. What are the potential or actual clinical implications of this work?: The results suggest that catching up on language is possible for children with DLD. It is important to include all children with DLD in intervention: mono‐ and multilingual children; children with receptive–expressive and expressive disorders; and children with high, average and low non‐verbal IQ scores. We did not find negative relations between these child factors and changes in language skills. The limited growth in morphosyntax compared with other linguistic areas warrants the attention of both practitioners and researchers, with a particular focus on the implementation of research findings in clinical practice. [ABSTRACT FROM AUTHOR]

Recent research has stated that early oral language acquisition difficulties are related to reading and writing difficulties. Children with developmental language disorder (DLD) experience difficulties with several dimensions of language. In this study we focus on the specific difficulties of children with DLD in spelling. We examine the impact of lexicality and length in written production of Spanish‐speaking children with DLD. A total of 18 children with language difficulties (Mage = 8;4) were compared with age‐matched children (Mage = 8;2). Participants completed a spelling‐to‐dictation task of words and pseudo‐words, where length was manipulated. A digital tablet was used to collect data and obtain measures of accuracy, latencies and total writing durations. Results showed that children with DLD produced more errors, longer latencies and longer writing durations than age‐matched children. Regarding accuracy, analysis of the errors shows that children in the control group produce few errors, most being substitutions, while children with DLD made more errors and of more varied categories. Moreover, they were more affected by length on writing accuracy than the control group. WHAT THIS PAPER ADDS: What is already known on this subject: Children with language difficulties are more likely to present reading difficulties. There are fewer studies analysing the impact of oral language difficulties in writing skills. What this paper adds to existing knowledge: The study suggests that children with oral language difficulties also have impairments in spelling, impacting on accuracy, duration and reaction time, possibly related to poor phonological working memory. What are the potential or actual clinical implications of this work?: This study highlights the need to emphasize early oral intervention and language‐related processing skills to help prevent written language difficulties. [ABSTRACT FROM AUTHOR]

Background: While the use of digital technologies in collaborative design tasks have gained acceptance amongst educational researchers and instructors, few studies have analysed the application of video‐supported collaborative learning‐by‐design (VSC‐LBD) in the authentic setting of professional education and training. Objectives: This study on VSC‐LBD investigated the learning processes and outcomes of nursing students who collaboratively used a hypervideo authoring tool to learn the procedure about urinary catheter insertion. We hypothesized that the students who collaboratively used a hypervideo authoring tool to learn about a professional procedure would outperform those exposed to a traditional lesson on the same procedure. Further, we assumed that the students who created an instructional video from scratch would obtain higher learning scores than those who worked on existing footage. Methods: Participants (N = 60) worked in groups and were assigned to three conditions: in the first each group recorded a video while simulating the procedure and then turned the footage into a hypervideo (VSC‐LBD1); in the second condition each group already received the raw video to turn it into a hypervideo (VSC‐LBD1); in the third participants attended a traditional lesson (control). Pre‐ and post‐tests measured procedural knowledge acquisition. The co‐regulation episodes within the groups that produced the best and worst videos were assessed and measured. Results and Conclusions: The students in the two VSC‐LBD conditions significantly outperformed those in the control condition. No differences were found between making an original video and using existing footage. More co‐regulatory processing episodes were found in the best video group compared to the other groups. Takeaways: This study supports theoretical assumptions on the value of VSC‐LBD in authentic learning environments and provide useful information to instructors willing to adopt collaborative use of interactive video tools. Lay Description: What is already known about this topic: Video‐based technologies, and more in particular hypervideo with its additional affordances, results an effective tool to support procedural learning.Hypervideo designing is a fruitful Learning‐By‐Design (LBD) activity that allows learners to transform and restructure knowledge.From a pedagogical point of view, giving students collaborative design tasks on video materials showed to be quite effective. What this paper adds: Few studies have investigated the application of video‐supported collaborative learning‐by‐design (VSC‐LBD) in the authentic setting of professional education and training. The same is true when it comes to procedural knowledge acquisition applied to clinical procedures, with most studies focussing on conceptual knowledge acquisition.When working with a learning‐by‐design approach, a clear distinction between the benefit of designing a video from scratch and of designing the hyper‐ components was lacking.Adopting a VSC‐LBD pedagogical approach to support learning of professional procedures in the nursing sector showed to be very effective both looking at the learning processes and the learning outcomes. Implications for practice and/or policy: This study proposes a collaborative design activity to learn professional procedures and demonstrates its affordances in terms of learning gains compared to a traditional lesson.Giving students a collaborative design task to build a hypervideo seems more important than just giving them a design task on the starting video depicting the procedureThe paper provides instructors with the necessary information to develop pedagogically sound design VSC‐LBD activities in time‐sensitive yet effective ways. [ABSTRACT FROM AUTHOR]

Background: Aphasia is often accompanied by impairment of non‐language cognitive functions. Assessment of cognitive capacity in people with aphasia (PWA) with standard neuropsychological methods may be problematic due to their language difficulties. Numerous experimental studies indicate that P300 may be considered as an index of cognitive capacity in both healthy and clinical samples. Accordingly, the measurement of event‐related potentials enables the investigation of behaviourally non‐observable mental processes underlying the cognitive functions that are assessed with neuropsychological tests. Aims: To investigate in PWA the relationship between P300 parameters and cognitive function efficiency measured with neuropsychological methods. Methods & Procedures: A total of 25 PWA after left‐hemispheric stroke participated in the study. Electrophysiological (EEG) signals were recorded during the performance of a visual Go‐No Go task. P300 was identified on nine electrodes, which were then pooled in three lines: left (F3, C3, P3), central (Fz, Cz, Pz) and right (F4, C4, P4). The neuropsychological assessment of cognitive functions included mental speed, short‐term memory, divided attention, executive functions, auditory language comprehension and expression. Outcomes & Results: P300 latency correlated with indices of several cognitive functions: temporal resolution, psychomotor speed, spatial short‐term memory, planning, word and sentence comprehension, as well as verbal fluency. Shorter P300 latencies were accompanied by greater efficiency of the abovementioned functions. In contrast, significant correlations between P300 amplitudes and cognitive measures were fragmentary. Conclusions & Implications: In PWA, P300 latency might be related to cognitive functioning, especially to measures that rely heavily on the speed of information processing. However, P300 seems to be unrelated to more complex cognitive functions. P300 latency may be used as a neurophysiological correlate of cognitive efficiency in PWA and might have potential applications in monitoring the effects of therapeutic interventions in this patient group. What this paper adds: What is already known on the subject: P300 parameters have been reported to be associated with cognitive performance in both healthy individuals and clinical groups (e.g., patients with Alzheimer's disease). Previous studies show that the presence of P300 at the early post‐stroke stage may be a predictor of better recovery of comprehension in PWA. What this paper adds to existing knowledge: Our results show for the first time that P300 may be used as a neurophysiological correlate of cognitive efficiency in PWA. In our study, P300 latency was associated with several languages and non‐language cognitive functions, especially with those whose effectiveness depends mainly on processing speed. In PWA, shorter latency corresponded to more efficient cognitive functioning. What are the potential or actual clinical implications of this work?: P300 measurement may be potentially useful in assessing the efficiency of certain cognitive functions in PWA. It may be also used to monitor the recovery process of PWA and to verify the effects of therapeutic interventions. [ABSTRACT FROM AUTHOR]

The author comments on the paper discussing spatial mapping of the soil. Topics include emergence of pedometrics as a distinct subdiscipline of soil science, use of geostatistical prediction to map the distribution of nutrients or pests by soil scientists, and use of analysis of variance (anova) for analysing difference between units related to soil property.

Background: In 2018, it was found that only a quarter of Grade 3 children in India were reading at grade level. A growing demand for English education has further limited children's literacy achievement. Despite a strong evidence base in favour of using systematic phonics for building English literacy skills, many teachers in India continue to use rote‐methods of literacy instruction. Objectives: We aimed to examine the efficacy of GraphoLearn (GL) English Rime, a computer‐assisted reading intervention, in improving the foundational literacy skills of 1st and 2nd grade students who were attending an English medium school in India. Methods: A total of 136 students across 6 classrooms were randomly allocated to play either GL or a control math game over a 5‐week intervention period. Students were pre‐ and post‐tested on various English literacy skills using tasks built into the GL software as well as through oral and paper‐based tasks. Results and Conclusions: Students who played GL showed significantly greater and faster development on in‐game measures of letter‐sound knowledge, rime unit recognition, and word recognition as compared to students who did not play GL. In addition, GL resulted in greater effects on these measures for students with stronger English literacy skills prior to the start of the intervention. No differences were found between groups on the oral and paper‐based tasks. Implications: GL was able to quickly and effectively teach critical sub‐skills for reading. However, a lack of effects on the out‐of‐game measures opens the door for further discussion on the successful implementation of such interventions. Lay Description: What is already known about this topic:India has an ongoing literacy crisis with many children failing to acquire functional literacy skills.Under‐resourced schools,outdated pedagogical methods, and a demand for English‐medium education are partially to blame.Globally, technology is being increasingly looked at to help improve student learning levels across all subject areas.There are a lack of studies examining the efficacy of various ed‐tech tools to improve literacy in the context of India.What this paper adds:The study aimed to test GraphoLearn English (GL), a mobile game designed to teach and practice early reading skills through phonics with first and second graders.Results showed that children who played GL outperformed those who did not play on critical literacy skills such as letter‐sound knowledge and word recognition.In addition, GL was more effective for those who had higher pre‐existing English literacy skills.However, improvements were only seen on measures assessed in the game and not on measures assessed orally or on paper.Implications for practice and/or policy:GL and other educational technologies can be extremely effective tools which allow for an individualized learning experience.However, it is important that for any educational game, learning moves beyond the game itself.Teachers are critical players in this process and must ensure that tech‐based instruction is integrated with teacher‐led instruction.Policy makers and school administration must ensure that teachers are adequately trained on when, with whom, and how to use such technologies before they are introduced. [ABSTRACT FROM AUTHOR]

Objectives: To evaluate a new prenatal education program evaluation tool, the UpStart Parent Survey – Prenatal, in terms of: (a) reliability and validity; (b) sensitivity to change over time; (c) whether results differed for mothers versus fathers; and (d) whether results differed when using an electronic tablet‐computer versus a paper survey. Design and Sample: Psychometric study. Participants were 277 expectant mothers (n = 161) and fathers (n = 106) enrolled in Childbirth Essentials, a 6‐week prenatal education program. Measures: The UpStart Parent Survey – Prenatal is a retrospective pretest/posttest survey with three scales: Parenting Knowledge, Parenting Experience, and Program Satisfaction, and three open‐ended questions. Results: The UpStart Parent Survey – Prenatal is sensitive to change and demonstrated significant positive differences in parenting knowledge and parenting experience. There was no difference in results whether the survey was completed by mothers or fathers. Results were similar whether paper or electronic formats were used. The survey was easy to complete. Conclusion: The UpStart Parent Survey – Prenatal holds promise as a reliable and valid evaluation tool to capture outcomes of brief prenatal education programs that target the general population of expectant parents. [ABSTRACT FROM AUTHOR]

Background: Individuals with developmental language disorder or Williams syndrome are reported to use more gestures than individuals with typical development. However, these two groups differ considerably in visuospatial and language skills, two skills that are hypothesized to shape gesture rate. Aims: We first examined whether children with both developmental language disorder and children Williams syndrome do indeed use more gestures. Our second aim was to disentangle the role of vocabulary and visuospatial skills in the use of supplementary gestures (i.e., containing unique information). To account for participant heterogeneity, analyses included both group comparisons and vocabulary and visuospatial skills at an individual level. As a third aim, the role of visuospatial skills was further examined in relation to gestures containing spatial content. Methods & Procedures: In a cross‐sectional group design, three participant groups watched and then retold a cartoon: children with typical development (n = 25), children with developmental language disorder (n = 25) and children/young people with Williams syndrome (n = 14). Their narrations were transcribed and hand gestures were coded based on gesture–speech integration (redundant, adds information to particular lexical items, gives information that is entirely absent from speech) and spatial content. Participants' expressive vocabulary and visuospatial skills were measured. Outcomes & Results: Between‐group comparisons showed that individuals with developmental language disorder or Williams syndrome did indeed use more gestures. Poisson loglinear modelling demonstrated that a relative higher use of supplementary gestures was determined by lower expressive vocabulary skills. Neither the group distinction nor visuospatial skills shaped the supplementary gesture rate nor spatial gesture rate. Conclusions & Implications: Regardless of neurodevelopmental condition or typical development, a higher use of supplementary gestures was influenced by expressive vocabulary skills. Children with lower vocabulary skills spontaneously capitalized on the multimodality of communication to express constituents that were not present in their verbal speech. This finding is a promising starting point for future gesture intervention studies examining whether implicit modelling of gesture use can encourage gestures even more in these children and if this allows them to achieve higher linguistic complexity. On a methodological note, the observed intra‐group skill variability demonstrates that group comparisons need to be complemented with correlational measures accounting for skills at an individual level. What this paper adds: What is already known on the subject: Children with developmental language disorder and children with Williams syndrome are more inclined to use gestures than typically developing children. Research conducted in adults with typical development points towards the role of lexical and visuospatial skills in gesture use, but it is unclear how these skills shape gesture use in children with atypical development. What this paper adds to existing knowledge: This study compares the rate of gestures that convey meaning that is not expressed in speech between the three aforementioned populations. Novel is the inclusion of the group distinction, individual lexical skills, and visuospatial skills in one encompassing statistical model. What are the potential or actual clinical implications of this work?: The inclination to use gestures that replace speech is related to lexical skills. Visuospatial skills do not seem to play a role and should not be considered as a factor when thinking about gesture intervention. Understanding how gestures relate to specific skills is a first step to understanding how gesture interventions can bolster language production. [ABSTRACT FROM AUTHOR]

The article presents a response to the paper "Orthogonal Frontiers and Alternative Mean-Variance Efficiency Tests," by Bruce N. Lehmann. The author discusses some difficulties associated with the approach outlined in the original article, such as using unknown betas. The author highlights the main contribution of the paper, the introduction of an alternative procedure allowing researchers not to be restricted by the number of time-series observations and to use returns on many individual assets instead of forming portfolios.

Exercise can alter gene transcriptional and protein translational rates leading to changes in protein abundance toward adaptation to exercise. We investigated the alterations in protein abundance in skeletal muscle after one bout of an exhaustive exercise through proteomic analysis. Gastrocnemius muscles were sampled from non-exercised control rats and from rats exercised on a treadmill with incremental increases in speed until exhaustion (approximately 30 min). Rats were sacrificed 3 and 24 h after exercise cessation. Two-dimensional gel electrophoresis was performed and spots with a significant alteration in relative volume were identified by mass spectrometry. Six spots presented statistically significant altered abundances after exercise. The spots identified as the metabolic related proteins triosephosphate isomerase 1, glyceraldehyde-3-phosphate dehydrogenase, the β subunit of pyruvate dehydrogenase E1 and carnitine palmitoyltransferase 2 were all more abundant after exercise. One spot identified as heat shock cognate 70 was also more abundant after exercise. One spot demonstrated a decreased abundance after exercise and was identified as α-actin. These results suggest that a single session of exhaustive incremental exercise in untrained muscle can alter thin filaments synthesis/degradation rate and enhance cytosolic and mitochondrial proteins synthesis. The identified proteins may be important to a general preconditioning of skeletal muscle for subsequent exercise sessions. [ABSTRACT FROM AUTHOR]

In a recently published PNAS paper, Radicchi, Fortunato, and Castellano (2008) propose the relative indicator cf as an unbiased indicator for citation performance across disciplines (fields, subject areas). To calculate cf, the citation rate for a single paper is divided by the average number of citations for all papers in the discipline in which the single paper has been categorized. cf values are said to lead to a universality of discipline-specific citation distributions. Using a comprehensive dataset of an evaluation study on Angewandte Chemie International Edition (AC-IE), we tested the advantage of using this indicator in practical application at the micro level, as compared with (1) simple citation rates, and (2) z-scores, which have been used in psychological testing for many years for normalization of test scores. To calculate z-scores, the mean number of citations of the papers within a discipline is subtracted from the citation rate of a single paper, and the difference is then divided by the citations' standard deviation for a discipline. Our results indicate that z-scores are better suited than cf values to produce universality of discipline-specific citation distributions. [ABSTRACT FROM AUTHOR]

The article discusses the pattern in vegetation, in which the peaks in the graph of mean square against block size are interpreted. To analyze the peaks in the graph, a logarithmic transformation to both the variance and the spacing is applied, and fitted a polynomial regression of log-variance on log-spacing. The apparent fit by linear regressions results from failure to allow for the occurence of overall trends in representation of species, the rising curve to be expected for random distribution, and the application of logarithmic transformation to the variance data.

This paper investigates options market reaction to changes in the instantaneous variance of the underlying asset. There are three main findings. First, options market investors underreact to individual daily changes in instantaneous variance. Second, these same investors overreact to periods of mostly increasing or mostly decreasing daily changes in instantaneous variance. Third, they tend to underreact (overreact) to current daily changes in instantaneous variance that are preceded mostly by daily changes of the opposite (same) sign. The third finding can reconcile the first two and is also consistent with well-established cognitive biases. [ABSTRACT FROM AUTHOR]

Background: Atypical speech prosody has been commonly found among autistic children. Yet it remains unknown whether prosody impairment originates from poor pitch ability in general or whether it is the result of the difficulty in understanding and using prosody for communicative purposes. Aims: To investigate whether native Mandarin Chinese‐speaking autistic children with intellectual impairment were able to accurately produce native lexical tones, which are pitch patterns that distinguish word meaning lexically and serve little social purpose. Methods & Procedures: Using a picture‐naming task, thirteen 8–13‐year‐old Mandarin Chinese‐speaking autistic children with intellectual impairment were tested on their production of Chinese lexical tones. Chronical age‐matched typically developing (TD) children were included as the control group. Perceptual assessment and phonetic analyses were conducted with the produced lexical tones. Outcomes & Results: The majority of the lexical tones produced by the autistic children were perceived as accurate by adult judges. Phonetic analysis of the pitch contours found no significant difference between the two groups, and the autistic children and TD children used the phonetic features in comparable ways when differentiating the lexical tones. However, the lexical tone accuracy rate was lower among the autistic children than among the TDs, and the larger individual difference was observed among the autistic children than the TD children. Conclusions & Implications: These results indicate that autistic children are able to produce the global contours of the lexical tones, and pitch deficits do not seem to qualify as a core feature of autism. What this paper adds: What is already known on the subject: Atypical prosody has been considered a maker of the speech of autistic children, and meta‐analysis found a significant difference in mean pitch and pitch range between TD children and autistic children. Yet it remains unknown whether the pitch deficits are the result of impaired perceptual–motoric ability or if they reflect failure in learning sentential prosody, which requires an understanding of the interlocutors' mind. In addition, research on pitch ability of autistic children with intellectual disabilities has been scarce, and whether these children are able to produce pitch variation is largely unknown. What this paper adds to existing knowledge: We tested native Mandarin Chinese autistic children with intellectual impairment on their production of native lexical tones. The lexical tones in Chinese are pitch variations realized on individual syllables that distinguish lexical meaning, but they do not serve social pragmatic purposes. We found that although these autistic children had only developed limited spoken language, the majority of their lexical tones were perceived as accurate. They were able to use the phonetic features in comparable ways with the TD children when distinguishing the lexical tones. What are the potential or actual clinical implications of this work?: It seems unlikely that pitch processing at the lexical level is fundamentally impaired in autistic children, and pitch deficits do not seem to qualify for a core feature of their speech. Practitioners should be cautious when using pitch production as a clinical marker for autistic children. [ABSTRACT FROM AUTHOR]

Background: Writing is an important and complex skill, which could be enhanced by teaching students effective writing strategies such as outlining. Electronic outlining ‐ integrated feature in Microsoft® Word – has been shown to enhance students' writing performance. However, little is known about the optimal didactic approach for electronic outlining. Objective: This study examined the effects of learning to use electronic outlining either via observational learning or via learning‐by‐doing on students' argumentative writing performance. Methods: Students (N = 129, 10th‐grade) were assigned with their complete class to one of three conditions: a control (traditional pen and paper outlines via learning‐by‐doing), outline (electronic outlines via learning‐by‐doing) or observation (electronic outlines via observational learning) condition. Students followed an argumentative writing lesson‐series that differed across conditions in terms of planning strategies and didactic approaches used. To examine the influence of the different conditions on students' writing, argumentative texts were used as pre‐ and post‐tests, and the quality was evaluated with an analytic assessment protocol. In addition, data regarding students' perceived mental effort and the organisation of the writing process were collected. Finally, students' attitudes towards electronic outlining were assessed. Results and Conclusion: Although the overall text structure had improved after the lesson series, no significant differences were found between conditions. Electronic outlining increased the total amount of time dedicated to the texts as well as the revision ratio. Students in the observation condition showed a higher pause ratio and a lower fluency on the post‐test as compared to students who learned by doing (both control and outline conditions). With regard to perceived mental effort, students in the outline and control conditions perceived significant decreases over tasks, as opposed to those in the observation condition. In conclusion, the self‐reports indicate that students in the outline condition appropriated electronic outlining significantly better than those in the observation condition, suggesting that practice enhanced students' appropriation of electronic outlining. Lay Description: What is already known about this topic: Planning as a writing strategy helps students organise their writing and reduce mental effort.Electronic outlining is an effective and efficient tool to support a planning strategy.Observational learning is an effective didactic approach in writing education. What this paper adds: Traditional planning and electronic outlining via either observational learning or learning‐by‐doing affect writing products equally.Tool appropriation is greater for students who learned‐by‐doing. Implications for practice: Importance of elaborated and explicit (strategy) instruction.Advantage of video‐based modelling for teacher efficiency. [ABSTRACT FROM AUTHOR]

Polymers are used in various industrial applications due to their ease of production, light weight, and ductility. Fillers such as clays are added to polymers to improve a range of factors such as material processing, thermal properties, fire retardance and cost. However, adding clays may negatively impact the mechanical performance of the composite. In addition, manufacturing parameters, for example, number of extrusions, press time, and so forth may also have an influence on the resulting composite system. This study performs a statistical analysis on a set of previously obtained experimental results, which investigated the influence of various manufacturing, material, and testing parameters on the composite mechanical properties. Exploratory data and statistical analysis techniques are applied to the historical tensile test data to gain insight into the influence on mechanical properties as well as the relationships and interactions between the parameters. Specifically, it is shown that clay loading does not have a statistically significant effect on the composite mechanical properties, which is contrary to literature. Another surprising result is the poor performance of the clay that is compatible with high‐density polyethylene compared to the clay that is compatible with poly vinyl chloride. The contribution of this paper is to demonstrate the usefulness of applying statistical analysis on a large volume of data to understand the diverse correlations between the different variables. [ABSTRACT FROM AUTHOR]