Purpose: Overweight in youth is influenced by genes and environment. Gene-environment interaction (G×E) has been demonstrated in twin studies and recent developments in genetics allow for studying G×E using individual genetic predispositions for …
Bullying research has shown repeatedly that victims of bullying have an increased risk for later internalizing problems and bullies have an increased risk for later externalizing problems. Bullying involvement is often, either explicitly or …
Associations between bullying perpetration and social status vary, not only between different facets of social status but also between bullying in primary versus secondary school. The main aim of the present study was to meta-analyse existing …
Background Genetic and environmental influences on externalizing problems are often studied separately. Here, we extended prior work by investigating the implications of gene–environment interplay in childhood for early adult externalizing behavior. …
It is plausible that peer aggression-like general forms of aggression-is transmitted from one generation to the next. As such, parental behavior in childhood and adolescence may be associated with offspring aggressive behavior against peers. This …
This article presents a desciption of the cohort study TRAILS—The Next Generation (TRAILS NEXT). TRAILS NEXT is an intergenerational spin-off originating from the TRacking Adolescents’ Individual Lives Survey (TRAILS) which has followed 2772 Dutch …
Twin studies suggest a substantial role for genes in explaining individual differences in aggressive behavior across development. It is unclear, however, how directly measured genetic risk is associated with aggressive behavior at different moments …
CONTEXT: Previous meta-analyses substantially contributed to our understanding of increased drug use risk in bullies but only included research up to 2014 and did not report on other types of substances. OBJECTIVE: To review and meta-analyze existing …
There is evidence that reward responsiveness and optimism are associated with mental and social functioning in adolescence and adulthood, but it is unknown if this is also the case for young children. Part of the reason for this gap in the literature …
This is a Dutch summary of my PhD thesis Happy faces and other rewards. Positieve informatie roept vaak sterke reacties op, maar niet bij iedereen. Wie minder sterk reageert op positieve informatie heeft een zogenaamde lage positieve bias. In dit …