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Direct linkSharon Faur; Olivia Valdes; Frank Vitaro; Mara Brendgen; Michel Boivin; Brett Laursen – Child Development, 2024
According to the failure model (Patterson & Capaldi, 1990), peer rejection is the intermediary link between problem behaviors and internalizing symptoms. The present study tested the model with 464 monozygotic and same-sex dizygotic twin pairs (234 female, 230 male dyads). Teacher-reported reactive aggression and internalizing symptoms, and…
Descriptors: Symptoms (Individual Disorders), Genetics, Aggression, Rejection (Psychology)
Bezdjian, Serena; Tuvblad, Catherine; Raine, Adrian; Baker, Laura A. – Child Development, 2011
The present study investigated the genetic and environmental covariance between psychopathic personality traits with reactive and proactive aggression in 9- to 10-year-old twins (N = 1,219). Psychopathic personality traits were assessed with the Child Psychopathy Scale (D. R. Lynam, 1997), while aggressive behaviors were assessed using the…
Descriptors: Personality Traits, Aggression, Personality, Genetics
Brendgen, Mara; Boivin, Michel; Dionne, Ginette; Barker, Edward D.; Vitaro, Frank; Girard, Alain; Tremblay, Richard; Perusse, Daniel – Child Development, 2011
Aggressive behavior in middle childhood is at least partly explained by genetic factors. Nevertheless, estimations of simple effects ignore possible gene-environment interactions (G x E) or gene-environment correlations (rGE) in the etiology of aggression. The present study aimed to simultaneously test for G x E and rGE processes between…
Descriptors: Aggression, Genetics, Etiology, Grade 1
Brendgen, Mara; Boivin, Michel; Vitaro, Frank; Bukowski, William M.; Dionne, Ginette; Tremblay, Richard E.; Perusse, Daniel – Child Development, 2008
Based on a sample of 406 seven-year-old twins, this study examined whether exposure to friends' social or physical aggression, respectively, moderates the effect of heritability on children's own social and physical aggression. Univariate analyses showed that children's own social and physical aggression were significantly explained by genetic…
Descriptors: Aggression, Genetics, Interaction, Antisocial Behavior
Brendgen, Mara; Dionne, Ginette; Girard, Alain; Boivin, Michel; Vitaro, Frank; Prusse, Daniel – Child Development, 2005
Using a genetic design of 234 six-year-old twins, this study examined (a) the contribution of genes and environment to social versus physical aggression, and (b) whether the correlation between social and physical aggression can be explained by similar genetic or environmental factors or by a directional link between the phenotypes. For social…
Descriptors: Twins, Genetics, Aggression
