332
Participants
Start Date
May 31, 2007
Primary Completion Date
January 31, 2010
Study Completion Date
February 28, 2010
Contingency Management
Participants complete urine and breath screens 2 times per week for 8 weeks. If urine and breath screens are both negative, the participant receives a chance to draw tokens from a bowl. Some tokens are social reinforcement (Good Job!). Other have monetary value.
Placebo
Participants complete urine and breath screens 2 times per week for 8 weeks with no reinforcement for negative results.
Minneapolis VA Health Care System, Minneapolis, MN, Minneapolis
VA Puget Sound Health Care System Seattle Division, Seattle, WA, Seattle
VA Office of Research and Development
FED