The well-known distinction between reactive and proactive aggression is theoretically important but empirically controversial. Recently, aggression researchers have argued that we should separate the form and function of aggression to make a clearer distinction between reactive and proactive aggression. This article describes the validation of a…

Existing research posits multiple dimensions of bullying and victimization but has not identified well-differentiated facets of these constructs that meet standards of good measurement: goodness of fit, measurement invariance, lack of differential item functioning, and well-differentiated factors that are not so highly correlated as to detract…

The construct validity of the Bully/Victim Questionnaire (Olweus, 1996a) as a measure of bullying was examined. Although researchers have defined bullying and reactive aggression as two distinct types of aggression, this study examined how closely related they are using empirical data. Reports from students and teachers on measures of bullying and…

Trait emotional intelligence ("trait EI" or "trait emotional self-efficacy") is a constellation of emotion"related self"perceptions and dispositions comprising the affective aspects of personality. The present study investigated the role of trait EI in children's peer relations at school. One hundred and sixty pupils (83 girls; mean age = 10.8…