Antisocial peer behavior and low parental knowledge of adolescents' activities are key interpersonal risk factors for adolescent substance use. However, how the magnitude of associations between these risk factors and substance use may vary across adolescence remains less well understood. The present study examined the age-varying associations of…

The current study tested sex-specific pathways to early puberty, sexual debut, and sexual risk taking, as specified by an integrated evolutionary-developmental model of adolescent sexual development and behavior. In a prospective study of 238 adolescents (n = 129 girls and n = 109 boys) followed from approximately 12-18 years of age, we tested for…

Early adolescence can be a difficult experience for many youth. This complex phase of development occurs as children transition to middle school. Within middle school, adolescents are faced with new challenges including ever changing peer groups and different educational and behavioral expectations. These challenges have been recognized as having…

The current study examined relationships between adolescents' and mothers' reports of ethnic-racial socialization and adolescents' ethnic-racial identity. The sample included 170 sixth graders (49% boys, 51% girls) and their mothers, all of whom identified as Black, Puerto Rican, Dominican, or Chinese. Two dimensions of ethnic-racial socialization…

The influence of the sleep patterns of 2,259 students, aged 11 to 14 years, on trajectories of depressive symptoms, self-esteem, and grades was longitudinally examined using latent growth cross-domain models. Consistent with previous research, sleep decreased over time. Students who obtained less sleep in sixth grade exhibited lower initial…

Using data from Grades 5, 6, and 7 of the 4-H Study of Positive Youth Development (PYD), the role of intentional self-regulation in the positive development of young adolescents was examined through use of the Selection, Optimization, and Compensation (SOC) measure. Consistent with Gestsdóttir and Lerner (2007), results of confirmatory factor…

The authors test biosocial models that posit interactions between biological variables (testosterone, estradiol, pubertal status, and pubertal timing) and social context variables (family, peer, school, and neighborhood) in predicting adolescent involvement with cigarettes and alcohol in a sample of 409 adolescents in Grades 6 and 8. Models…