Thriving is a developmental process that is shaped by previous and current interactions within developmental contexts. We hypothesized that academic performance in the school context will positively predict thriving in young adulthood. Data of N = 2,043 students from Zurich were assessed with standardized tests in Grades 1, 3, 6, and 9. Results…

Identifying change at the individual level is an important goal for researchers, educators, and clinicians. We present a set of statistical procedures for identifying individuals who depart from a normative change. Using Latent Change Scores models (LCS), we illustrate how the Individual Likelihood computed from a statistical model for change…

Youth's friendships serve important functions in development; however, internalizing symptoms may undermine these relationships. Two studies are presented that examine the association of depressive and anxiety symptoms with friendship adjustment. Study 1 tested concurrent effects and Study 2 tested prospective effects over 6 months. Like past…