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ABSTRACT
Developmental trajectories of bullying perpetration were examined across 5 waves of longitudinal panel data among Midwestern middle school students. This study explained an unobserved heterogeneity of subgroups, each having the similar pattern of trajectories and investigated antecedents and consequences of class membership. Growth-mixture modeling yielded 4 groups: (1) Chronic, (1.2%), (2) High Declining (6.2%), (3) Middle School Peak (8.1%), and (4) Low (84.4%). The overall results revealed that strain variables were found to be significant in the Chronic, High Declining, and Middle School Peak groups. The probability of the Chronic and High Declining groups was high among students with higher impulsivity. Peer delinquency and anger were found to be significant in all three groups. Members of the Chronic group were at the highest risk of sexual harassment and teen dating violence.
Disclosure statement
No potential conflict of interest was reported by the author.
Notes
1. Lubke et al. (Citation2017) suggest a series of simulations to assess the utility of the proposed bootstrap approach in multi-group and mixture model comparisons that bootstrap selection rates can provide additional information over and above simply relying on the size of AIC and BIC differences in a given sample.
Additional information
Notes on contributors
Sujung Cho
Sujung Cho is an assistant professor in the Department of Criminology and Criminal Justice at Southern Illinois University Carbondale. She is working on developmental research, which presupposes developmental determinism where childhood delinquent behavior leads to patterns of peer delinquency trajectories or, alternatively, patterns of peer delinquency trajectories influence late adolescent delinquent behavior.