Drawing on social identity theory, this study explored the impact of the peer group on childhood bullying. Participants were 351 students, aged 8 to 13 years. Involvement in bullying, friendship group membership, norms of particular groups, and intra-group positions (prototypical vs. peripheral) were determined using peer reports. Results revealed…

Investigated interactional properties and developmental functions of the following four types of aggressive behaviors in adolescents: social aggression, direct relational aggression, physical aggression, and verbal aggression. Found that the majority of conflict interactions involved more than a dyad, and that social aggression was an initiating…

Examined how social aspects of a peer collaborative context related to differences in adolescents' interpretations of task and social problems while collaborating with peers in a naturalistic classroom setting. Found that salience of social problems, gender, and friendship were important for understanding project performance. Explored the value of…