General

Meta-analyses have found that CM is the most effective psychosocial intervention for substance use disorders with medium to large effect sizes on in treatment substance use. The impact of CM on substance use is superior to cognitive behavioral therapy.

Ginley, M. K., Pfund, R. A., Rash, C. J., & Zajac, K. (2021). Long-term efficacy of contingency management treatment based on objective indicators of abstinence from illicit substance use up to 1 year following treatment: A meta-analysis. Journal of consulting and clinical psychology, 89(1), 58–71.
https://doi.org/10.1037/ccp0000552

Dutra, L., Stathopoulou, G., Basden, S. L., Leyro, T. M., Powers, M. B., & Otto, M. W. (2008). A meta-analytic review of psychosocial interventions for substance use disorders. The American journal of psychiatry, 165(2), 179-187.
https://doi.org/10.1176/appi.ajp.2007.06111851

Lussier, J. P., Heil, S. H., Mongeon, J. A., Badger, G. J., & Higgins, S. T. (2006). A meta-analysis of voucher-based reinforcement therapy for substance use disorders. Addiction (Abingdon, England), 101(2), 192–203.
https://doi.org/10.1111/j.1360-0443.2006.01311.x