Contingent Vs. Non-Contingent Rewards: Time-Based Intervention Response Patterns Among Stimulant-Using Men Who Have Sex With Men

Shoptaw S, Landovitz RJ, Reback CJ (2017). Contingent Vs. Non-Contingent Rewards: Time-Based Intervention Response Patterns Among Stimulant-Using Men Who Have Sex With Men. Journal of Substance Abuse Treatment. 72:19-24. doi: 10.1016/j.jsat.2016.09.004. Epub 2016 Sep 13. PMID: 27938777.