title: A longitudinal investigation of the associations among parenting, deviant peer affiliation, and externalizing behaviors: a monozygotic twin differences design.
abstract: Non-shared parenting and deviant peer affiliation are linked to differences in externalizing behaviors between twins. However, few studies have examined these two non-shared environments simultaneously. The present study examined the transactional roles of differential parenting (i.e., warmth and hostility) and deviant peer affiliation on monozygotic (MZ) twin differences in externalizing behaviors using a two-wave longitudinal study of twins and their parents. The sample consisted of 520 pairs of MZ twins (46.5% males, 53.5% females), with a mean age of 13.86 years (SD = 2.10) at the T1 assessment, residing in Beijing, China. The association between non-shared hostility in parenting and adolescent externalizing behaviors was mainly explained by a child-driven effect whereby the twin with a higher level of externalizing behaviors than his or her co-twin was more likely to receive more hostility from the parents. Similarly, the relationship between deviant peer affiliation and adolescent externalizing behaviors supported the selection effect whereby the twin with a higher level of externalizing behaviors than his or her co-twin was more likely to affiliate with deviant peers. The theoretical and practical implications of these findings are discussed.
authors: Chinese Academy of Sciences, Beijing, China.
authors: Jinqin
authors: J
authors: Hou
authors: Zhiyan
authors: Z
authors: Chen
authors: Misaki N
authors: MN
authors: Natsuaki
authors: Xinying
authors: X
authors: Li
authors: Xiaodong
authors: X
authors: Yang
authors: Jie
authors: J
authors: Zhang
authors: Jianxin
authors: J
authors: Zhang
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology; D000342:Affective Symptoms / Q000235:genetics / Q000523:psychology*; D016009:Chi-Square Distribution; D002681:China; D005260:Female; D059647:Gene-Environment Interaction; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D016487:Parenting / Q000523:psychology*; D010379:Peer Group; D000297:Psychology, Adolescent; D014430:Twins, Monozygotic / Q000235:genetics / Q000523:psychology*