Peer victimisation (PV) in childhood and adolescence can come along with psychological stress through the life span. Even though there exist a large number of questionnaires that measure PV, evidence of the use is often missing. Particularly instruments for capturing cyberbullying lack psychometric calculations such as factor analysis for investigating scales and data on validity and reliability. An exception constitutes the Multidimensional Offline and Online Peer Victimization Scale (MOOPV) of Sumter et al., which is only available in Dutch. This questionnaire is not medium-specifically designed, has been psychometrically properly explored, and differentiates between direct and indirect as well as online and offline PV. The present study aims to investigate the psychometric properties of the German version of the Multidimensional Offline and Online Peer Victimization Scale (MOOPV). The factor structure, validity and reliability was examined in a sample of 777 pupils aged 10-20. Confirmatory factor analysis supported the original four-factor model. The scales direct offline, indirect offline, direct online, and indirect online demonstrated high internal reliability and construct validity. The MOOPV can be used as a validated instrument in research and practice to capture PV in childhood and adolescence.
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