12 results on '"van Gelderen L"'
Search Results
2. Welbevinden van homoseksuele vaders met een kind via draagmoederschap
- Author
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Bos, H., van Rijn-van Gelderen, L., Vecho, O., Rubio, B., Gross, M., Jorgensen, T., Ellis-Davies, K., Winstanley, A., Golombok, S., Lamb, M., Preventive Youth Care (RICDE, FMG), and Methods and Statistics (RICDE, FMG) more...
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reproductive and urinary physiology - Abstract
A study of parental wellbeing in the U.K., France, and the Netherlands compared parents in 38 gay father families, 61 lesbian mother families, and 42 heterosexual parent families. In all family types, the parents had just become parents for the first time and had an infant aged around 4 months. The infants in the gay father families were born through surrogacy, and those in the lesbian mother families were conceived after insemination with donor sperm. The heterosexual parent families had used in vitro fertilization without sperm or egg donation. Standardized measures of parental wellbeing (parental stress, psychological adjustment, and partner relationship satisfaction) were used to collect data via a password-protected online survey. Both parents in all families completed the survey. The parents’ scores on the studied variables were similar regardless of family type or caregiver role. The findings of the present study contribute to the theoretical understanding of the role of family type and caregiver role in families whose first child was conceived by means of assisted reproductive technologies, and especially our knowledge of gay fathers who became parents through surrogacy. more...
- Published
- 2018
Catalog
3. Perceived Quality of the Mother–Adolescent and Father–Adolescent Attachment Relationship and Adolescents’ Self-Esteem
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Keizer, R. (Renske), Helmerhorst, K.O.W. (Katrien), Rijn-van Gelderen, L. (Loes) van, Keizer, R. (Renske), Helmerhorst, K.O.W. (Katrien), and Rijn-van Gelderen, L. (Loes) van
- Abstract
There is consensus in the literature that self-esteem stems from relationships with others. In particular, it is assumed that parents play an important role in the development of children’s self-esteem, also in adolescence. Despite the importance of parent–child attachment relationships for adolescents’ self-esteem, we know very little about the extent to which fathers and mothers uniquely contribute to adolescents’ self-esteem. The current study aims to contribute to acquiring knowledge in this research area in three ways. First, by separating the potential influences of father–child and mother–child attachment relationships on sons’ and daughters’ self-esteem, the current study is able to investigate the individual contribution of the father–child and mother–child attachment relationship to female and male adolescent’s self-esteem. Second, by controlling for changes in the quality of the parental relationship and peer relationships the current study is able to isolate linkages between changes in adolescents’ percei more...
- Published
- 2019
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4. Perceived Quality of the Mother–Adolescent and Father–Adolescent Attachment Relationship and Adolescents’ Self-Esteem
- Author
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Keizer, Renske, Helmerhorst, Katrien, Van Rijn-Van Gelderen, L, Keizer, Renske, Helmerhorst, Katrien, and Van Rijn-Van Gelderen, L
- Published
- 2019
5. Wellbeing of gay fathers with children born through surrogacy: a comparison with lesbian-mother families and heterosexual IVF parent families
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Van Rijn-van Gelderen, L, primary, Bos, H W M, additional, Jorgensen, T D, additional, Ellis-Davies, K, additional, Winstanley, A, additional, Golombok, S, additional, Rubio, B, additional, Gross, M, additional, Vecho, O, additional, and Lamb, M E, additional more...
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- 2017
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6. A longitudinal study on the relation between parenting and Toddler's disruptive behavior: what is the role of Toddler's negative emotionality and physiological stress reactivity?
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Huijzer-Engbrenghof M, van Rijn-van Gelderen L, Spencer H, Wesarg-Menzel C, Creasey N, Lalihatu ES, and Overbeek G
- Abstract
Harsh and unsupportive parenting is a risk factor for the development of disruptive behavior in children. However, little is known about how children's temperament and stress reactivity influence this relation. In a three-wave longitudinal study, we examined whether the associations between parenting practices (supportive parenting, positive discipline, and harsh discipline) and child disruptive behavior were mediated by child temperament (negative emotionality) and stress reactivity (heart rate reactivity). In 72 families (Mage child = 14.6 months), living in the Netherlands, parents reported on their parenting practices and their children's disruptive behavior and negative emotionality. Children's heart rate reactivity was assessed through a series of stress-inducing tasks. Results from regression-based mediation analyses with bootstrapping showed that negative emotionality and stress reactivity did not mediate the relation between parenting and disruptive behavior. The results overall demonstrate that in a group of children this age, a reinforcing dynamic between parenting, child stress and disruptive behavior is not yet firmly established., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Huijzer-Engbrenghof, van Rijn-van Gelderen, Spencer, Wesarg-Menzel, Creasey, Lalihatu and Overbeek.) more...
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- 2024
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7. Parental positive affect and negative affect in same- and different-sex parent families: no associations with parental gender and caregiving role.
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Leter TLM, Ellis-Davies K, Rubio B, Vecho O, Bos HMW, Lamb ME, and Van Rijn-Van Gelderen L
- Abstract
Positive and negative parental affect influence developing parent-child attachment relationships, especially during infancy as well as children's social-emotional, academic, and behavioral functioning later in life. Increasingly, because both mothers and fathers can play central caregiving roles, the parenting qualities of both parents demand consideration. Therefore, this study investigated whether parental gender and caregiving role were associated with mothers' and fathers' positive affect and negative affect during interactions with their 4-month-old firstborn infant, while determining whether parenting stress, infant temperament, having a singleton/twin, and living in the Netherlands, France, or the United Kingdom were related to parental positive affect and negative affect. In all, 135 different-sex, same-sex male, and same-sex female couples (113 fathers and 157 mothers, comprising 147 primary, and 123 secondary caregivers) who conceived through artificial reproductive techniques were studied. The couples were videorecorded at home while in feeding, cleaning, and playing contexts to assess the levels of positive and negative parental affect. In addition, the couples completed questionnaires about their caregiving role, parenting stress, and the infants' temperament. Mixed linear models indicated that the levels of positive and negative parental affect toward the infant in all contexts were not related to parental gender, caregiving role, the interaction between parental gender and caregiving role, parenting stress, infant temperament, or singleton/twin status. However, the target parental behaviors were related to the country of origin, suggesting differences among Dutch, French, and British parents. Overall, we found no evidence that gender or caregiving roles were associated with the levels of positive and negative affect shown by the parents., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The handling editor NC declared a past co-authorship with the author HB., (Copyright © 2024 Leter, Ellis-Davies, Rubio, Vecho, Bos, Lamb and Van Rijn – Van Gelderen.) more...
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- 2024
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8. Determination of the vaporization order of crude oils through the chemical analysis of crude oil residues burned on water.
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van Gelderen L, Poulsen KG, Christensen JH, and Jomaas G
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- Humans, Volatilization, Water, Burns, Petroleum analysis, Petroleum Pollution analysis, Polycyclic Aromatic Hydrocarbons analysis, Water Pollutants, Chemical analysis
- Abstract
To determine the vaporization order of (the components in) crude oils, the density, the viscosity and the chemical composition of a light and a heavy crude oil were studied as a function of the burning efficiency. An experimental series of small scale in-situ crude oil burns on water were conducted with the two crude oils. Chemical analyses of the burned residues showed that the components in crude oils vaporize in order of decreasing volatility and the depletion rate of components generally decreased with increasing molecular mass. Ultimately, this means that the burning efficiency of a crude oil burning on water can be related to fire dynamics principles, irrespective of its chemical and physical properties. The relative abundance of pyrogenic PAHs in the burned residues increased up to a maximum of 2600% for the light crude oil and 9100% for the heavy crude oil. Increased abundances of the pyrogenic PAHs were caused by the formation of the pyrogenic PAHs during the burning and not by an increase in concentration in the burned residues. Overall, the results provide relevant data for predicting the effectiveness of in-situ burning of crude oil as oil spill response method, both in terms of its burning efficiency and its environmental impact., (Copyright © 2021 Elsevier Ltd. All rights reserved.) more...
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- 2021
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9. Corrigendum: Determinants of Non-paid Task Division in Gay-, Lesbian-, and Heterosexual-Parent Families With Infants Conceived Using Artificial Reproductive Techniques.
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Van Rijn-Van Gelderen L, Ellis-Davies K, Huijzer-Engbrenghof M, Jorgensen TD, Gross M, Winstanley A, Rubio B, Vecho O, Lamb ME, and Bos HMW
- Abstract
[This corrects the article DOI: 10.3389/fpsyg.2020.00914.]., (Copyright © 2020 Van Rijn - Van Gelderen, Ellis-Davies, Huijzer-Engbrenghof, Jorgensen, Gross, Winstanley, Rubio, Vecho, Lamb and Bos.) more...
- Published
- 2020
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10. Determinants of Non-paid Task Division in Gay-, Lesbian-, and Heterosexual-Parent Families With Infants Conceived Using Artificial Reproductive Techniques.
- Author
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Van Rijn-Van Gelderen L, Ellis-Davies K, Huijzer-Engbrenghof M, Jorgensen TD, Gross M, Winstanley A, Rubio B, Vecho O, Lamb ME, and Bos HM
- Abstract
Background: The division of non-paid labor in heterosexual parents in the West is usually still gender-based, with mothers taking on the majority of direct caregiving responsibilities. However, in same-sex couples, gender cannot be the deciding factor. Inspired by Feinberg's ecological model of co-parenting, this study investigated whether infant temperament, parent factors (biological relatedness to child, psychological adjustment, parenting stress, and work status), and partner relationship quality explained how first-time gay, lesbian, and heterosexual parents divided labor (childcare and family decision-making) when their infants were 4 and 12 months old. We also tested whether family type acted as a moderator. Method: Participants were drawn from the new parents study. Only those who provided information about their biological relatedness to their child ( N = 263 parents) were included. When infants were 4 months (T1), parents completed a password-protected online questionnaire exploring their demographic characteristics including work status and standardized online-questionnaires on task division (childcare and family decision-making), infant temperament, parental anxiety, parental depression, parental stress, and partner relationship satisfaction. When infants were 12-months-old (T2), parents provided information about task division and their biological relatedness to their children. Results: Linear mixed models showed that no factor explained the division of family decision making at T1 and T2. For relative time spent on childcare tasks at T1, biological relatedness mattered for lesbian mothers only: biologically related mothers appeared to spend more time on childcare tasks than did non-related mothers. Results showed that, regardless of family type, parents who were not working or were working part-time at T1 performed more childcare tasks at T1. This was still true at T2. The other factors did not significantly contribute to relative time spent on childcare tasks at T2. Conclusion: We had the opportunity to analyze the division of non-paid tasks in families where parenting was necessarily planned and in which gender could not affect that division. Although Feinberg's model of co-parenting suggests that various factors are related to task division, we found that paid work outside the home was most important during the first year of parenthood in determining caregiving roles., (Copyright © 2020 Van Rijn - Van Gelderen, Ellis-Davies, Huijzer-Engbrenghof, Jorgensen, Gross, Winstanley, Rubio, Vecho, Lamb and Bos.) more...
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- 2020
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11. Detection of unsafety in families with parental and/or child developmental problems at the start of family support.
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van der Put CE, Hermanns J, van Rijn-van Gelderen L, and Sondeijker F
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- Adolescent, Adult, Child, Developmental Disabilities psychology, Female, Humans, Male, Motivation, Netherlands, Patient Compliance, Psychometrics, Risk Factors, Child Abuse diagnosis, Child Abuse psychology, Developmental Disabilities diagnosis, Family Therapy, Parenting psychology, Predictive Value of Tests, Risk Assessment methods
- Abstract
Background: Risk assessment is crucial in preventing child maltreatment as it can identify high-risk cases in need of child protection intervention. Despite this importance, there have been no validated risk assessment instruments available in the Netherlands for assessing the risk of child maltreatment. Therefore, the predictive validity of the California Family Risk Assessment (CFRA) was examined in Dutch families who received family support. In addition, the added value of a number of experimental items was examined. Finally, it was examined whether the predictive value of the instrument could be improved by modifying the scoring procedure., Methods: Dutch families who experienced parenting and/or child developmental problems and were referred by the Centres for Youth and Family for family support between July 2009 and March 2011 were included. This led to a sample of 491 families. The predictive validity of the CFRA and the added value of the experimental items were examined by calculating AUC values. A CHAID analysis was performed to examine whether the scoring procedure could be improved., Results: About half of the individual CFRA items were not related to future reports of child maltreatment. The predictive validity of the CFRA in predicting future reports of child maltreatment was found to be modest (AUC = .693). The addition of some of the experimental items and the modification of the scoring procedure by including only items that were significantly associated with future maltreatment reports resulted in a 'high' predictive validity (AUC = .795)., Conclusions: This new set of items might be a valuable instrument that also saves time because only variables that uniquely contribute to the prediction of future reports of child maltreatment are included. Furthermore, items that are perceived as difficult to assess by professionals, such as parental mental health problems or parents' history of abuse/neglect, could be omitted without compromising predictive validity. However, it is important to examine the psychometric properties of this new set of items in a new dataset. more...
- Published
- 2016
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12. Satisfaction with known, open-identity, or unknown sperm donors: reports from lesbian mothers of 17-year-old adolescents.
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Gartrell NK, Bos H, Goldberg NG, Deck A, and van Rijn-van Gelderen L
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- Adolescent, Boston epidemiology, Child, Child, Preschool, Female, Homosexuality, Female statistics & numerical data, Humans, Informed Consent statistics & numerical data, Insemination, Artificial, Heterologous statistics & numerical data, Living Donors psychology, Living Donors statistics & numerical data, Male, Mental Disorders psychology, Prevalence, San Francisco epidemiology, Homosexuality, Female psychology, Informed Consent psychology, Insemination, Artificial, Heterologous psychology, Mental Disorders epidemiology, Mothers psychology, Mothers statistics & numerical data, Patient Satisfaction statistics & numerical data
- Abstract
Objective: To assess whether lesbian mothers of 17-year-old adolescents conceived through donor insemination are satisfied with their choice of a known, open-identity, or unknown sperm donor and whether the mothers' satisfaction is associated with psychological health problems in the index adolescent offspring., Design: Mixed-method study., Setting: Not applicable., Patient(s): One hundred twenty-nine lesbian mothers and 77 index offspring., Intervention(s): Semistructured interviews with the mothers conducted by telephone and the State-Trait Personality Inventory (STPI) completed online by the adolescent offspring., Main Outcome Measure(s): Satisfaction with the type of sperm donor selected was assessed through multiple choice questions, and adolescent psychological health problems by the STPI. The reasons for the mothers' (dis)satisfaction were evaluated through a thematic analysis of transcribed interviews., Result(s): Overall, 77.5% of mothers were satisfied with the type of donor chosen. There were no significant differences between birth mothers and comothers on (dis)satisfaction. In comparing satisfied with dissatisfied birth mothers by donor type, the only significant differences were that those selecting open-identity donors were more satisfied than dissatisfied and that those using unknown donors were more dissatisfied than satisfied; (dis)satisfaction with donor type was unrelated to offspring psychological health problems. Qualitative analyses revealed six themes concerning all mothers' reasons for (dis)satisfaction., Conclusion(s): Donor access and custody concerns were the primary themes mentioned by lesbian mothers regarding their (dis)satisfaction with the type of sperm donor they had selected., (Copyright © 2015 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.) more...
- Published
- 2015
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