“…In a large randomized trial, for example, alcohol-dependent clients who faithfully took a placebo medication were found to show substantially better outcomes relative to less compliant clients (Fuller et al, 1986). The degree of involvement in Alcoholics Anonymous (AA) is correlated with more favorable outcomes (Tonigan & Toscova, 1998). More generally, doing something to get better is a good predictor of change (e.g., Miller, Westerberg, Harris, & Tonigan, 1996), as is the initial level of motivation for change when the definition of motivation includes taking action (e.g., Project MATCH, 1997).…”