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Linkages between children's and their friends' social and physical aggression: evidence for a gene-environment interaction?
Child Dev. 2008 Jan-Feb; 79(1):13-29.CD

Abstract

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 factors, whereas friends' social and physical aggression represented "true" environmental factors that were unrelated to children's genetic dispositions. Multivariate analyses further suggested a possible gene-environment interaction in the link between friends' and children's physical aggression but not in the link between friends' and children's social aggression. Instead, friends' social aggression was directly related to children's social aggression, in addition to genetic effects on this behavior. Theoretical and practical implications of these results are discussed.

Authors+Show Affiliations

Department of Psychology, University of Quebec at Montreal, CP 8888, succ. centre-ville, Montréal, Québec, Canada H3C 3P8. brendgen.mara@uqam.caNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Twin Study

Language

eng

PubMed ID

18269506

Citation

Brendgen, Mara, et al. "Linkages Between Children's and Their Friends' Social and Physical Aggression: Evidence for a Gene-environment Interaction?" Child Development, vol. 79, no. 1, 2008, pp. 13-29.
Brendgen M, Boivin M, Vitaro F, et al. Linkages between children's and their friends' social and physical aggression: evidence for a gene-environment interaction? Child Dev. 2008;79(1):13-29.
Brendgen, M., Boivin, M., Vitaro, F., Bukowski, W. M., Dionne, G., Tremblay, R. E., & Pérusse, D. (2008). Linkages between children's and their friends' social and physical aggression: evidence for a gene-environment interaction? Child Development, 79(1), 13-29. https://doi.org/10.1111/j.1467-8624.2007.01108.x
Brendgen M, et al. Linkages Between Children's and Their Friends' Social and Physical Aggression: Evidence for a Gene-environment Interaction. Child Dev. 2008 Jan-Feb;79(1):13-29. PubMed PMID: 18269506.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Linkages between children's and their friends' social and physical aggression: evidence for a gene-environment interaction? AU - Brendgen,Mara, AU - Boivin,Michel, AU - Vitaro,Frank, AU - Bukowski,William M, AU - Dionne,Ginette, AU - Tremblay,Richard E, AU - Pérusse,Daniel, PY - 2008/2/14/pubmed PY - 2008/5/17/medline PY - 2008/2/14/entrez SP - 13 EP - 29 JF - Child development JO - Child Dev VL - 79 IS - 1 N2 - 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 factors, whereas friends' social and physical aggression represented "true" environmental factors that were unrelated to children's genetic dispositions. Multivariate analyses further suggested a possible gene-environment interaction in the link between friends' and children's physical aggression but not in the link between friends' and children's social aggression. Instead, friends' social aggression was directly related to children's social aggression, in addition to genetic effects on this behavior. Theoretical and practical implications of these results are discussed. SN - 0009-3920 UR - https://www.unboundmedicine.com/medline/citation/18269506/Linkages_between_children's_and_their_friends'_social_and_physical_aggression:_evidence_for_a_gene_environment_interaction DB - PRIME DP - Unbound Medicine ER -