Article
Deviant peer affiliation and problem behavior: a test of genetic and environmental influences.
Journal of abnormal child psychology - 1 Feb 2006
Bullock Bernadette Marie, Deater-Deckard Kirby, Leve Leslie D
Abstract excerpt
This study uses a multitrait, multimethod (MTMM) approach to investigate the genetic and environmental etiologies of childhood deviant peer affiliation (DPA) and problem behavior (PROB). The variability of genetic and environmental estimates by agent and method is also examined. A total of 77 monozygotic and 72 dizygotic twin pairs and each twin's close friend were assessed. The informants included parents,...
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