https://www.selleckchem.com/TGF-beta.html
Treatment providers have applied contingency management (CM) treatment, an intervention that often rewards individuals for drug abstinence (i.e., ABS CM), to treatment engagement as well. However, we know little about the magnitude of treatment effects when providers target attendance behaviors (i.e., ATT CM). This study conducted a systematic search to identify studies that included ATT CM, either in isolation or in combination with ABS CM. The study used meta-analysis to estimate the effect size of ATT CM and ABS CM+ATT CM on treatment attend