Publications by authors named "Willemen A"

There is a growing body of literature that recognizes the importance of shared decision-making (SDM) in the care for children with chronic conditions and/or disabilities. Although participation in SDM can be more or less active, the tuning between parents and professionals about the way they want to participate in SDM is often an implicit process, limiting parents' optimal involvement. Role definitions may support both partners in the process of SDM.

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The VIPP-SD (Video-feedback Intervention to promote Positive Parenting and Sensitive Discipline) program has been shown to promote positive interactions between parents and children with behavior problems. This study evaluated an adapted version for teachers (VIPP-School) through a parallel-group randomized controlled trial involving 58 teacher-child dyads from kindergarten to second grade. Teacher-child dyads were randomly assigned to VIPP-School ( = 28) or an active control group ( = 30).

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Objective: This study applied the Family Systems Illness Model to examine how child disorder severity influences mental health in mothers and fathers of children with chronic (mainly developmental) disorders (CD).

Methods: We measured parental mental health and perceived child disorder severity among 204 mothers and 125 fathers of 220 children with CD and compared the mental health scores with norms. We analyzed how much of the variance in parental mental health was explained by child disorder severity, including discrepancy between maternally and paternally perceived severity.

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Objective: The purpose of this study was to investigate how parents of children with complex care needs conceptualize burnout from the perspective of parents themselves.

Methods: We conducted semi-structured interviews with 38 parents, selected for maximal variation in parental, child, and family characteristics. Inductive thematic analysis was employed.

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Objective: Serious games can serve as easily accessible interventions to support siblings of children with disabilities, who are at risk of developing mental health problems. The Dutch serious game 'Broodles' was developed for siblings aged 6-9 years. The current study aims to assess the cultural applicability, desirability, feasibility, and acceptability of 'Broodles' in Norway.

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Understanding and supporting basic psychological needs of persons with complex support needs is important but difficult because of communicative challenges . We developed and tested questionnaires to obtain parents' perspectives on autonomy support and basic psychological needs of autonomy, competence, and relatedness. : Two parent-informant questionnaires were developed, administered, and subjected to psychometric property analyses.

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Background: Professionals providing self-management support to parents regarding the care for their child with a chronic condition nowadays is an important aspect of child healthcare. This requires professionals to orient themselves towards partnership and collaboration with parents. The aims of the current study were the development and validation of the S-Scan-Parental self-management Support (S-scan - PS) as a tool for healthcare professionals to reflect on their attitude and practices regarding the support for parental self-management.

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Background: Mentalising and stress regulation pose challenges for adults with mild to borderline intellectual disabilities (MBID), emphasising the importance of an intervention program. The study examined the effectiveness and social validity of the serious game 'You & I' in enhancing mentalising and stress regulation among adults with MBID.

Method: A randomised controlled superiority trial with experimental and waitlist-control groups was conducted with 159 adults with MBID (M  = 36) at baseline, post-test, and follow-up.

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Background: People with mild to borderline intellectual disabilities (MBIDs) face challenges in social functioning, possibly as a result of limited mentalising abilities such as reflecting on the behaviour of themselves and others. Reflective functioning in people with MBIDs has not yet been investigated due to a lack of instruments. The Reflective Functioning Questionnaire (RFQ) is a seemingly easy adaptable, short self-report questionnaire.

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Background: Siblings of children with disabilities also need support. However, there are only a few evidence-based interventions for these siblings. The current study aims to assess the effectiveness of a newly developed serious game for young siblings of children with intellectual disability (ID) and/or visual impairment (VI).

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Rationale: Cassava production faces challenges in a changing climate. Pulse labelling cassava with C-CO has the potential to elucidate carbon allocation mechanisms of cassava under drought stress and with potassium application. Understanding these mechanisms could guide efforts to mitigate effects of drought in cassava cropping systems.

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Moving towards person-centered care, with equal partnership between healthcare professionals and patients, requires a solid role for the patient in the education of students and professionals. Patients can be involved as teachers, assessors, curriculum developers, and policy-makers. Yet, many of the initiatives with patients are isolated, small events for targeted groups and there is a lack of patient involvement at the institutional level.

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Background: Professionals in child healthcare increasingly endorse the support of self-management in paediatric rehabilitation services for children with physical disability. Less understood though are their views regarding the role of the children's parents, as well as their own role in supporting parents. This study aimed to investigate the motivation of rehabilitation professionals to support self-management of parents regarding their child with physical disability, professionals' beliefs about parental self-management, and the perceptions underlying their motivation.

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We aimed to obtain reliable reference charts for sleep duration, estimate the prevalence of sleep complaints across the lifespan and identify risk indicators of poor sleep. Studies were identified through systematic literature search in Embase, Medline and Web of Science (9 August 2019) and through personal contacts. Eligible studies had to be published between 2000 and 2017 with data on sleep assessed with questionnaires including ≥100 participants from the general population.

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The efficacy of a community-based mentoring program for adolescents with a visual impairment vs. care-as-usual was tested on social participation including satisfaction with social support. Adolescents (15-22 years; 46% boys) were randomized to an intervention group with mentors with visual impairment ( = 25), an intervention group with mentors without visual impairment ( = 26), or care-as-usual ( = 25).

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With the growing attention in pediatric rehabilitation services for supporting self-management, the need increases for more shared understanding of the concept. The aim of this study was to explore parent activation, associated factors of- and underlying perceptions on parental self-management of parents of children with chronic conditions. Using a mixed-methods strategy, first variations in self-management behaviors, motivation and perceived autonomy support were assessed with a cross-sectional survey among parents of children with chronic conditions ( = 239).

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Objective: Steroid-sensitive nephrotic syndrome (SSNS) in children is often complicated by one or more relapses, as manifested by the appearance of proteinuria. Besides health-related triggers, psychological stress might be related to relapse. This longitudinal study examined the link between perceived stress, emotional valence (feeling happy vs.

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The current study examined mean level and change in extraversion and neuroticism across adolescence in relation to physiological stress reactivity to social evaluation. Adolescents (n=327) from the Dutch general population reported on personality measures at five annual assessments. At age 17 years, adolescents participated in a psychosocial stress procedure characterized by social evaluation during which cortisol, heart rate, pre-ejection period (PEP) and heart rate variability were assessed.

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Academic expectations and demands become primary sources of stress during adolescence, negatively affecting sleep. To cope with stress, adolescents may turn to social support figures. The present study tested the extent of main and moderating effects of various sources of social support on the association between stress and sleep.

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Changes in children's emotion differentiation, coping skills, parenting stress, parental psychopathology, and parent-child interaction were explored as mediators of treatment factors in two selective preventive group interventions for children exposed to interparental violence (IPV) and their parents. One hundred thirty-four IPV-exposed children (ages 6-12 years, 52% boys) and their parents were randomized to an IPV-focused or common factors community-based group intervention and completed baseline, posttest, and follow-up assessments for posttraumatic stress (PTS). A multilevel model tested mediators that included children's ability to differentiate emotions and coping skills, parenting stress, parental psychopathology, and parent-child interactions.

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Objective: To investigate psychosocial characteristics of children and parents as predictors and moderators of the effect of a group intervention for children with chronic illness and their parents.

Methods: Data from a randomized controlled trial were used, including 194 children (8-18 years) who were assigned to a child-only intervention, a parent-child intervention, or a wait-list control group. Longitudinal multilevel regression analyses were used to test effects on change in parent and child reported internalizing and externalizing behavior problems.

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This study examined the social cognitions of outsiders and defenders about intervening in situations of victimization by bullying. Do outsiders and defenders behave differently in victimization situations because of differences in competence beliefs, or because of a selectivity effect in intervening? These issues were examined in a sample of 102 outsiders and 107 defenders who were classified into these bullying roles through a peer-nomination procedure out of a total sample of 761 10- to 14-year-old Dutch children. These children were presented with imaginary victimization events.

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Objective: To investigate the efficacy of a cognitive-behavioral group intervention for children with chronic illnesses and to test the effect of an added parent component.

Methods: Children (n = 194) and their parents participated in a multicenter randomized clinical trial comparing a child-only intervention and a parent-child intervention to a wait-list control group. Primary outcomes were parent- and self-reported internalizing and externalizing problems; secondary outcomes were child disease-related coping skills (information seeking, relaxation, social competence, medical compliance, and positive thinking).

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Objective: This study investigated the relationships among Adverse Childhood Experiences (ACEs) in a high risk clinical sample of Dutch children whose mothers were abused by an intimate partner, and the severity of behavioral and emotional problems and trauma symptoms.

Methods: The study population comprised 208 children (M=7.81 years, SD=2.

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Background: Coping with a chronic illness (CI) challenges children's psychosocial functioning and wellbeing. Cognitive-behavioral intervention programs that focus on teaching the active use of coping strategies may prevent children with CI from developing psychosocial problems. Involvement of parents in the intervention program may enhance the use of learned coping strategies in daily life, especially on the long-term.

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