A meta-analysis of the effect of violence intervention programs on general and violent recidivism

Abstract

Individuals with convictions for violence are likely to have both violent and nonviolent subsequent reoffences. Individuals who have committed violent offences are often required to participate in violence treatment programming prior to release. The aim of this study was to examine whether violence intervention programs offered in community or institutional correctional settings are effective for reducing general and violent recidivism among individuals with previous histories of violence. In total, 21 controlled studies with data from 17,223 violent offenders (99% men) were included in the meta-analysis for general recidivism, and 19 controlled studies with data from 8,863 offenders (99% men) were included in the meta-analysis for violent recidivism. This article extends an earlier meta-analysis by Papalia et al. (Clinical Psychology: Science and Practice, 26(2), 1–28 [2019]) by adding seven new studies to the meta-analysis of general recidivism and five new studies to the meta-analysis of violent recidivism. The results of the meta-analysis indicate that the odds of general recidivism were 25% lower, and the odds of violent recidivism were 24% lower for individuals who participated in interventions compared with the control groups. The results of the present study are consistent with previous meta-analyses, which support the use of correctional violence treatment programs. Implications for future research are identified, considering these findings.