School-based aggression prevention programs have been implemented in many educational institutions, and fostering the development of social competencies is one of the central aspects of many approaches. The aim of the present study was to assess the level of subjectively perceived usefulness of the prevention program "Faustlos" in…

Several longitudinal studies and meta-analytic reviews have demonstrated that exposure to violent media is linked to aggression over time. However, evidence on effective interventions to reduce the use of violent media and promote critical viewing skills is limited. The current study examined the efficacy of an intervention designed to reduce the…

The aim of this randomized controlled study is to explore the long-term efficacy of the widely used Triple P parent group training as a universal prevention intervention. 280 families with children between 3 and 6 years participated (N=186 Triple P, N=94 control group}. A multi-method assessment was conducted pre, post and one to four years after…

The effectiveness of a peer-mediation-program for third grade students (elementary school) was evaluated through a longitudinal study. The sample consisted of 262 students, 141 boys and 121 girls, drawn from thirty classrooms in fifteen elementary schools. There was one intervention and one control-class in each school. The evaluation was carried…

Children and adolescents with aggressive disorders are prevalent in child welfare settings. Therefore, the assumption is that child welfare services would benefit from a cognitive-behavioral intervention. This study investigates whether implementation of the training with aggressive children (TAC) could improve the outcome of child welfare. Twelve…