We examined the relation between low self-esteem and depression using longitudinal data from a sample of 674 Mexican-origin early adolescents who were assessed at age 10 and 12 years. Results supported the vulnerability model, which states that low self-esteem is a prospective risk factor for depression. Moreover, results suggested that the…

This study examined how "homophily" (similarity) and "propinquity" (availability) simultaneously predict both unidirectional and reciprocal cross-ethnic friendships among early adolescents in ethnically diverse classrooms. In a sample of sixth-grade students, liking nominations were used as the indicator of friendship, and both…

Links among concurrent and longitudinal changes in pubertal development and empathic ability from ages 10 to 13 and neural responses while witnessing peer rejection at age 13 were examined in 16 participants. More advanced pubertal development at age 13, and greater longitudinal increases in pubertal development, related to increased activity in…

Utilizing a cross-sectional design, the authors examined associations between pubertal status, peer victimization, and their interaction in relation to weight concerns and symptoms of depression in a sample of early adolescent girls (N = 261). Multivariate analyses revealed a significant interaction between pubertal status and relational…

Self-reports of grade at first menstrual period for 1,967 fourth-grade through ninth-grade girls were used to categorize girls as early maturers. The categories of early maturer and other (on-time or late maturers) were then examined for stability over a 3-year period using McNemar tests and [kappa] coefficients. Although the results showed…