Contingent reinforcement increases cocaine abstinence during outpatient treatment and 1 year of follow-up.
- 1 January 2000
- journal article
- clinical trial
- Published by American Psychological Association (APA) in Journal of Consulting and Clinical Psychology
- Vol. 68 (1) , 64-72
- https://doi.org/10.1037//0022-006x.68.1.64
Abstract
This study assessed whether contingent incentives can be used to reinforce cocaine abstinence in dependent outpatients. Seventy cocaine-dependent outpatients were randomized into 2 conditions. All participants received 24 weeks of treatment and 1 year of follow-up. The treatment provided to all participants combined counseling based on the community reinforcement approach with incentives in the form of vouchers exchangeable for retail items. In 1 condition, incentives were delivered contingent on cocaine-free urinalysis results, whereas in the other condition incentives were delivered independent of urinalysis results. Abstinence-contingent incentives significantly increased cocaine abstinence during treatment and 1 year of follow-up compared with noncontingent incentives.Keywords
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