Introduction: Adults with intellectual disabilities have an increased vulnerability to mental health problems and challenging behaviour. In addition to psychotherapeutic or psychoeducational methods, off-label pharmacotherapy, is a commonly used treatment modality. Objective: The aim of this study was to establish evidence-based guideline…

Background: In people with intellectual disabilities and mental disorders and/or challenging behaviours, rates of psychotropic drug prescription are high. In clinical treatments and evaluations, all stakeholders should be involved in a process of shared decision-making (SDM). We aimed to investigate the perspectives of clients and their carers on…

Eyewitnesses to crimes are regularly under the influence of drugs, such as cannabis. Yet there is very little research on how the use of cannabis affects eyewitness memory. In the present study, we assessed the effects of cannabis on eyewitness recall and lineup identification performance in a field setting. One hundred twenty visitors of coffee…

In response to COVID-19 pandemic-related social restrictions, university students have reported being more depressed, lonelier, and less resilient, potentially affected by changes within the academic system. The present study investigates how students' social and physical well-being affect their psychological well-being and additionally explores…

Part 1 of the Report Card presents a league table of child well-being in 29 of the world's advanced economies. Part 2 looks at what children say about their own well-being (including a league table of children's life satisfaction). Part 3 examines changes in child well-being in advanced economies over the first decade of the 2000s, looking at each…

The present study examined whether a sample of 214 (52.8% male, M age = 15.76, SD = 1.29) institutionalized adolescents could be classified into subgroups based on psychopathic traits. Confirmatory Factor Analyses revealed a relationship between the subscales of the Youth Psychopathic traits Inventory (YPI) and the three latent constructs of the…

This study examines the emotional engagement with school of a diverse sample of 909 students in post-secondary vocational education in the Netherlands. Using multilevel regression analysis, we assess the role of students' background characteristics and school experiences, and their interaction, in students' emotional engagement with school.…

Previous studies have suggested toxic effects of recreational ecstasy use on the serotonin system of the brain. However, it cannot be excluded that observed differences between users and non-users are the cause rather than the consequence of ecstasy use. As part of the Netherlands XTC Toxicity (NeXT) study, we prospectively assessed sustained…

This international comparative study addresses differences between adolescents who engage in deliberate self-harm (DSH) and who receive help following the DSH episode versus those who do not. A standardized self-report questionnaire was completed by pupils aged 14-17 in Australia, Belgium, England, Hungary, Ireland, The Netherlands, and Norway (n…

Background: Deliberate self-harm among young people is an important focus of policy and practice internationally. Nonetheless, there is little reliable comparative international information on its extent or characteristics. We have conducted a seven-country comparative community study of deliberate self-harm among young people. Method: Over 30,000…

The United States and the Netherlands have antithetical marijuana control policies. The United States' laws criminalize the possession of even small amounts of marijuana, while the Netherlands have maintained, over the past several decades, two relatively liberal marijuana policies implemented during the 1970s and 1980s. According to the…

Study examines the effects of adolescents' vocational and relationship experiences, adherence to non-traditional values, and parental divorce and involvement on adolescent soft drug use. Results reveal that vocational and relationship experiences in adolescence correlate with the use of soft drugs and adherence to non-conventional norms and values…

This report represents the first ever attempt to draw a comparative picture of the physical abuse of children in the 27 richest nations of the world. UNICEF research estimates that almost 3,500 children under the age of 15 die from physical abuse and neglect every year in the industrialized world. The greatest risk is among younger children. A…

This book examines how young people in Germany and the Netherlands grow into adults in their society and how they cope with the accompanying experiences and changes. The 14 chapters of the book are: (1) "The Modernization of the Youth Phase. Educational, Professional and Family Careers of Dutch Youth in the Nineties" (Els Peters); (2)…