“…Based on the Theory of Planned Behavior (Ajzen, 1991) and on the participant roles approach to understanding bullying dynamics (Salmivalli, 2010), Media Heroes seeks to prevent cyberbullying mainly by promoting empathy, providing knowledge about definitions, Internet risks and safety, and legal consequences, and promoting assertive ways for bystanders to intervene. Activities include role-playing, debates, analyses of written stories, news and films, cooperative learning, and student-parent presentations (for more details see Schultze-Krumbholz, Zagorscak, Siebenbrock & Scheithauer, this issue;W€ olfer et al, 2014). Activities include role-playing, debates, analyses of written stories, news and films, cooperative learning, and student-parent presentations (for more details see Schultze-Krumbholz, Zagorscak, Siebenbrock & Scheithauer, this issue;W€ olfer et al, 2014).…”