The present study examines the relative role of three distinct types of peer relationships (reciprocated friendships, frequent interactions, and shared group membership) in within-year changes in academic self-concept and engagement before and after the transition to middle school (fifth and seventh grade). In a series of linear regression…

The present study includes externalizing problems, internalizing problems, mother-adolescent relationship quality, and father-adolescent relationship quality in the same structural equation model and tests the longitudinal reciprocal association among all four variables over a 1-year period. A transactional model in which adolescents'…

This study addresses the development of health-related behavior during childhood and adolescence and the protective influence of an authoritative parenting style. The study is based on two samples followed from Grades 2 through 5 and from Grades 4 through 7. The first sample consisted of 432 second graders with a mean age of 7.9 years at the…

The purpose of this study is to compare the inter-ethnic and co-ethnic friendships of 390 junior high school students in multi-ethnic neighborhoods of Montreal and Toronto. Friendship dyads were identified on the basis of reciprocal nomination as close friends. The quality of the friendships was measured by questionnaires completed by both members…

This study examined the stability of early adolescent best friendships across a school year. Grade 7 students (N = 174) participated in group-testing sessions in the fall and spring of their school year. Participants completed peer-nomination measures, described the quality of their best friendships, their knowledge of their best friend, and their…