Measurement Invariance and Psychometric Properties of the Reactive and Proactive Aggression Questionnaire (RPQ) Across Genders
Aggression is an important risk factor that predisposes adolescents to disruptive andcriminal behaviours. The purpose of the present study was to investigate the structuralinvariance and psychometric properties of the Persian version of the Reactive-ProactiveAggression Questionnaire (RPQ) across genders among adolescents. A sample of 450students (Mage = 14 years, SD = 0.81) were recruited randomly and completed the Persianversion of the RPQ, Child Behavior Checklist and Strengths and Difficulties Questionnaire.Although the two-factor model obtained the best fit across genders, the results did not supportthe equivalence of factor loadings across groups. These findings replicated the distinction ofreactive and proactive aggression while implied different models of the RPQ based ongender. Suggestions for future research and a more accurate assessment of these two kinds ofaggression are further discussed.