Discrepancies among family members' ratings on aspects of family functioning are challenging both, methodological and interpretational. Family members' perspectives and their discrepancies are indicators of family functioning, affecting adolescents' psychological development. Previous research focused on linear effects, ignoring that rather…

To date, little has been known about teachers' success in bullying interventions. Thus, the present study analyzes how successfully teachers intervene in real bullying situations, based on an analysis of 1,996 reports by German students aged between 12 and 15 (49.2% female) from 24 schools. Predictors of success included intervention strategy…

This study tested whether the gender intensification hypothesis applies to relations between multiple domain-specific self-concept facets and self-esteem. This hypothesis predicts gender-stereotypic differences in these relations and assumes they intensify with age. Furthermore, knowledge about gender-related or age-related differences in…

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…