Training studies have shown the positive effects of play tutoring on children's social skills. This study investigates whether the theoretically suggested mechanism of change--social pretend play quality--explains the effect of play tutoring on social pretend play competence and social skills. Twenty-seven Swiss playgroups (N = 214 three- to…

Drawing on data from a three-wave longitudinal study, the present research examined predictors of young adults' intentions to participate in politics and their actual political activities while referring to the broader assumptions of the theory of planned behavior. The analyses were based on a sample of university students from the federal state…

The predictive relations between social capital depth (high-quality relationships across contexts) and breadth (friendship network extensivity) and early-adult life adjustment outcomes were examined using data from a prospective longitudinal study. Interviews at age 22 yielded (a) psychometrically sound indexes of relationship quality with…