This study examined the hypothesis, derived from theories highlighting the importance of group harmony and sense of belonging in human relationships, that the adolescents who are most likely to be influenced by their close friends are those who have the highest quality social relationships. Potential moderators of close friend influence on…

Rejection sensitivity is a bias toward expecting rejection that can result from negative social experiences and degrade emotional adjustment. In this study, rejection sensitivity was expected to predict patterns of adolescent social anxiety over 5 years when considered alongside other known or expected risk and protective factors: peer rejection…

This study examined the role that peer groups play in shaping students' academic re-engagement across their first year in middle school and whether influences are stronger from peers with whom students remained affiliated over time. Data were collected on an entire cohort of 366 sixth graders (48% female) in a small town. Students reported on…

Being surrounded by peers who are accepting of aggression is a significant predictor of the development and persistence of aggression in childhood and adolescence. Whereas past research has focused on social reinforcement mechanisms as the underlying processes, the present longitudinal study analysed the role of external control beliefs as an…

Using data from 1,676 youth who participated in three waves (Grades 6 to 8) of the longitudinal, 4-H Study of Positive Youth Development, we tested two series of hierarchal linear models to examine the role of peer support, associating with "problem-behaving" friends, and bullying involvement in the development of behavioral and emotional school…

In this study, two longitudinal models of early adolescent risky sexual behaviors (RSB) were compared using a pooled sample of 267 Canadian and Italian adolescents (55% females; 53% Canadians) assessed yearly from grade 8 to 10. We focused on parenting practices (monitoring, control, limit setting), adolescent problem behaviors (antisocial…