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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: J Consult Clin Psychol. 2021 Jan;89(1):58–71. doi: 10.1037/ccp0000552

Figure 2. Forest Plot of Effect Sizes for Contingency Management Treatment Versus Comparison Conditions at Long-Term Follow-Up.

Figure 2

Note. Values are truncated after the third decimal point. The last row in the forest plot represents the overall odds ratio effect size of all studies. “Combined” indicates a study with multiple contingency management (CM) conditions that were summarized into one odds ratio effect size.