Efficacy of Psychological Treatments for Adult Males Convicted of Violent Crimes: A Meta-Analytic Review

• In Event: Mental Health Panel 1: Mental Health, Crime, and Institutional Responses

Abstract

Psychological treatments play a crucial role in the rehabilitation of violent offenders, yet their effectiveness remains debated. This meta-analysis examines the impact of psychological interventions on recidivism rates and psychological outcomes (e.g., emotional regulation, aggression reduction) among adult males convicted of violent crimes. Based on randomized controlled trials (RCTs) published in peer-reviewed journals, our study synthesizes findings to determine the overall efficacy of these interventions compared to control conditions. A random-effects model was used to estimate effect sizes, while heterogeneity and potential moderators (e.g., treatment type, follow-up duration) were analyzed. Preliminary findings suggest that certain therapeutic approaches significantly reduce recidivism and improve psychological well-being, though effectiveness varies across treatment modalities. These results highlight the need for tailored interventions and robust forensic assessment strategies. Implications for policy, offender rehabilitation programs, and risk assessment practices will be discussed.

Authors

• Tânia Gonçalves, Universidade do Minho

• Hugo S. Gomes, EPIUnit ITR, Institute of Public Health of the University Porto, University of Porto, Rua das Taipas, n° 135, 4050-600 Porto, Portugal

• Cristiana Santos, CIPsi - UM

• Nélio Brazão, University of Coimbra

• Ângela Maia, CIPsi - UM