Determinants of Self-Reported Bystander Behavior in Cyberbullying Incidents Amongst Adolescents. - Ann DeSmet; Charlene Veldeman; Karolien Poels; Sara Bastiaensens; Katrien Van Cleemput; Heidi Vandebosch; Ilse De Bourdeaudhuij (Cyberpsychology Behav. Soc. Netw., 2014)