In early adolescence, levels of conscientiousness and agreeableness have been found to temporarily decrease, with levels of neuroticism increasing, indicating a dip in personality maturation. It is unknown whether these changes are related to the process of puberty, a major developmental milestone with numerous changes for children. Here, we first…

A theoretical model was examined linking early adolescent interpersonal relatedness and self-definition, autonomous and controlled regulation, and negative and positive life events. Findings indicated that self-criticism predicted less positive events, whereas efficacy predicted more positive events. Effects were fully mediated by absence and…

Examined evidence for reciprocal influence between adoptive parents' behavior and heritable characteristics of adopted children. Found that psychiatric disorders of biological parents were significantly related to children's antisocial/hostile behaviors and consequently with adoptive parents' behavior. Also, the adoptee's antisocial/hostile…