We adapted the well-known Teacher-Report: The Instrument for Reactive and Proactive Aggression (IRPA; Polman et al., 2009) into a self-report questionnaire
Rieffe, C., Broekhof, E., Kouwenberg, M., Faber, J., Tsutsui, M., & Güroğlu, B. (2016). Disentangling proactive and reactive aggression in children using self-report. European Journal of Developmental Psychology, doi:10.1080/17405629.2015.1109506
Azam, N. D., Novin, S., Oosterveld, P., & Rieffe, C. (2019). Aggression in Malaysian adolescents: Validation of the IRPA self-report to measure reactive and proactive aggression.European Journal of Developmental Psychology, 16, 225-235. doi: 10.1080/17405629.2017.1360177.
Pouw, L. B. C., Rieffe, C., Oosterveld, P.,Huskens, B., & Stockmann, L. (2013). Reactive/proactive aggression and affective/cognitive empathy in children with ASD. Research in Developmental Disabilities, 34, 1256–1266.
Instrument for Reactive and Proactive Aggression Self-Report [Dutch]
Instrument for Reactive and Proactive Aggression Self-Report [Malay]
Instrument for Reactive and Proactive Aggression Self-Report [English]
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