Examined how family relationship quality and contact with deviant peers (CDP) contributed to change in problem behaviors, particularly whether gender of the adolescent and parent moderated these associations. Found that CDP was associated with increases in problem behaviors, whereas family influence on problem behaviors was indirect and varied as…

Investigated leisure-activity correlates for German adolescents. Found that risky leisure was related to West Germany residency, higher childhood competitive play/creative activities, and lower parental monitoring. Social-romantic leisure was related to being female and higher competitive play. Creative-introspective leisure was associated with…

This study investigated whether self-efficacy beliefs measured before the onset of social change would moderate effects of social change on adolescents' life satisfaction, optimism regarding their future, and educational success. Self-efficacy beliefs of 593 German adolescents were measured between 1985 and 1988 before German unification. In 1992,…