Joint Trajectories of Bullying and Peer Victimization Across Elementary and Middle School and Associations With Symptoms of Psychopathology

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 children. Dual trajectory modeling revealed four distinct subgroups of children: (a) those low in …