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Early Risk Factors Associated with Preschool Developmental Patterns of Single and Co-Occurrent Disruptive Behaviors in a Population Sample
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Carbonneau, Rene; Vitaro, Frank; Brendgen, Mara; Boivin, Michel; Tremblay, Richard E. – Developmental Psychology, 2022
The present study investigated prenatal and early postnatal risk factors associated with developmental patterns of disruptive behaviors (DBs; e.g., hyperactivity-impulsivity, noncompliance, physical aggression) from ages 1.5 to 5 years in a population birth cohort (N = 2,057; 50.7% boys). Six high-trajectory classes obtained by latent growth…
Descriptors: Preschool Children, Behavior Problems, Child Behavior, Risk
Gene-Environment Interplay in the Link of Friends' and Nonfriends' Behaviors with Children's Social Reticence in a Competitive Situation
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Guimond, Fanny-Alexandra; Brendgen, Mara; Vitaro, Frank; Forget-Dubois, Nadine; Dionne, Ginette; Tremblay, Richard E.; Boivin, Michel – Developmental Psychology, 2014
This study used a genetically informed design to assess the effects of friends' and nonfriends' reticent and dominant behaviors on children's observed social reticence in a competitive situation. Potential gene-environment correlations (rGE) and gene-environment interactions (GxE) in the link between (a) friends' and…
Descriptors: Genetics, Environmental Influences, Prediction, Correlation
Do Other People's Plights Matter? A Genetically Informed Twin Study of the Role of Social Context in the Link between Peer Victimization and Children's Aggression and Depression Symptoms
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Brendgen, Mara; Vitaro, Frank; Barker, Edward D.; Girard, Alain; Dionne, Ginette; Tremblay, Richard E.; Boivin, Michel – Developmental Psychology, 2013
Using a genetically informed design, this study examined the additive and interactive effects of genetic risk, personal peer victimization experiences, and peer victimization experienced by others on children's aggression and depression symptoms. Of major interest was whether these effects varied depending on whether or not the victimized others…
Descriptors: Aggression, Genetics, Social Environment, Depression (Psychology)
Early Adolescent Depressive Symptoms: Prediction from Clique Isolation, Loneliness, and Perceived Social Acceptance
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Witvliet, Miranda; Brendgen, Mara; van Lier, Pol A. C.; Koot, Hans M.; Vitaro, Frank – Journal of Abnormal Child Psychology, 2010
This study examined whether clique isolation predicted an increase in depressive symptoms and whether this association was mediated by loneliness and perceived social acceptance in 310 children followed from age 11-14 years. Clique isolation was identified through social network analysis, whereas depressive symptoms, loneliness, and perceived…
Descriptors: Network Analysis, Early Adolescents, Risk, Probability
Gene-Environment Interplay between Peer Rejection and Depressive Behavior in Children
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Brendgen, Mara; Vitaro, Frank; Boivin, Michel; Girard, Alain; Bukowski, William M.; Dionne, Ginette; Tremblay, Richard E.; Perusse, Daniel – Journal of Child Psychology and Psychiatry, 2009
Background: Genetic risk for depressive behavior may increase the likelihood of exposure to environmental stressors (gene-environment correlation, rGE). By the same token, exposure to environmental stressors may moderate the effect of genes on depressive behavior (gene-environment interaction, GxE). Relating these processes to a peer-related…
Descriptors: Twins, Peer Groups, Genetics, Peer Acceptance
Longitudinal Links between Impulsivity, Gambling Problems and Depressive Symptoms: A Transactional Model from Adolescence to Early Adulthood
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Dussault, Frederic; Brendgen, Mara; Vitaro, Frank; Wanner, Brigitte; Tremblay, Richard E. – Journal of Child Psychology and Psychiatry, 2011
Background: Research shows high co-morbidity between gambling problems and depressive symptoms, but the directionality of this link is unclear. Moreover, the co-occurrence of gambling problems and depressive symptoms could be spurious and explained by common underlying risk factors such as impulsivity and socio-family risk. The goals of the…
Descriptors: Conceptual Tempo, Late Adolescents, Risk, Depression (Psychology)