Attachment and empathy as predictors of roles as defenders or outsiders in bullying interactions
Individual and classroom variables associated with relational aggression in elementary-school aged children: A multilevel analysis
Relational aggression: not just a female issue
Teacher preference, peer rejection, and student aggression: A prospective study of transactional influence and independent contributions to emotional adjustment and grades
The role of bystanders in students' perception of bullying and sense of safety