Nowadays cyberbullying prevention programs such as Surf-Fair can significantly reduce cyberbullying but little is known about necessary and sufficient conditions of their effectiveness. Case Study 1 followed three successive waves of implementation of Surf-Fair in one German highest-track secondary school in a pre-post design. Results show no…

This study extends previous research investigating the effects of state-wide exit exams by studying the change from a class-based to a state-wide exit exam system over 5 years, using multilevel analyses and examining mediating effects of teachers' practices on students' motivational orientations. In this multi-cohort study, we analyzed in…

Background: Life skills programs are effective tools to combat youth substance use. However there is a lack of studies concerning their effectiveness in Europe. Objective: This study investigated the 1 year follow up effects and the program implementation of a life skills school-based intervention (IPSY: Information + Psychosocial…

In this paper we describe a "Train the Tutor" programme (TtT) for developing the metacognitive skills, facilitator skills, and tutor skills of students in a problem based learning (PBL) context. The purpose of the programme was to train 2nd and 3rd year undergraduate students in psychology to become effective PBL tutors for…