Figure 5.

Changes in past-month number of alcohol problems from baseline to follow-up by intervention condition. Error bars reflect ±1 standard error of the mean. Abbreviation: SFAS, substance-free activity session. From Murphy JG, Dennhardt AA, Skidmore JR, Borsari B, Barnett NP, et al. 2012. A randomized controlled trial of a behavioral economic supplement to brief motivational interventions for college drinking. J. Consult. Clin. Psychol. 80:876–86. Reprinted with permission from the American Psychological Association.