The efficacy of the Friendly Attac serious digital game to promote prosocial bystander behavior in cyberbullying among young adolescents: A cluster-randomized controlled trial. - Ann DeSmet; Sara Bastiaensens; Katrien Van Cleemput; Karolien Poels; Heidi Vandebosch; G. Deboutte; Laura Herrewijn; Steven Malliet; Sara Pabian; Frederik Van Broeckhoven; Olga De Troyer; Gaetan Deglorie; et al. (Comput. Hum. Behav., 2018)