The current study further establishes the reliability and validity of the Bullying Participant Behaviors Questionnaire (BPBQ), a self-report survey that allows for an examination of participation in various bullying participant role behaviors including bully, assistant to the bully, victim, defender of the victim, and outsider. The study included…

The joint development of trajectories of bullying perpetration and peer victimization from Grade 5 to Grade 8 and concurrent and predictive associations with parent- and child-reported symptoms of psychopathology (anxiety, depression, attention-deficit/hyperactivity disorder, and somatization) were examined in a large sample (N = 695) of Canadian…