Socially disruptive behavior during peer interactions in early childhood is detrimental to children's social, emotional, and academic development. Few studies have investigated the developmental underpinnings of children's socially disruptive behavior using genetically sensitive research designs that allow examination of parent-on-child and…

For 720 same-sex sibling pairs from 10 to 18 years of age, parents and adolescents provided information about family environment and adolescent adjustment. Found that adolescents' perceptions of their parents' conflict-negativity mediated the relationship between parental conflict-negativity and adolescent antisocial behavior. (BC)

Investigated relations among parenting, sibling relationship, peer group, and adolescents' externalizing behaviors. Found that contributions of parental negativity, parental monitoring, and sibling negativity to adolescents' externalizing behaviors operated directly and also indirectly through deviant peer associations. Relationships varied as a…

Compared adolescent siblings' evaluations of parental treatment. Found support for a moderating effect for self-esteem and emotionality but not gender. Evidence of the "sibling barricade" effect was limited and interpreted as reflecting a sibling comparison process. For older siblings, emotionality and self-esteem moderated the sibling…

Examined the genetic and environmental contributions to the predictive association between parenting and adolescent adjustment in identical and fraternal twins, and full, half, and genetically unrelated siblings in nondivorced and stepfamilies. Found that cross-lagged associations between parental conflict-negativity and adolescent antisocial…