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 employs a uniquely multi-factorial, large-scale design to investigate baseline differences and the effects of a singular outdoor educational program on environmental attitudes, knowledge and behavior among primary and secondary school students educated in four different countries. Statistical modelling approaches employed country of…

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…

For developing professional development (PD) programs, research suggests referring to effective components. In developing a PD program on classroom dialogue, we explored to what extent effective components could be addressed. We conducted a study with two groups. In the "Dialogic Video Cycle" (DVC), six German teachers participated in a…