CAPA Blog

Alcoholics Anonymous and the Challenge of Evidence-Based Medicine

Do Alcoholics Anonymous participants do better at abstinence than nonparticipants because they are more motivated? Or is it because of something inherent in the A.A. program? How researchers answered these questions in a recent study offers insight into challenges of evidence-based medicine and evidence-informed policy. The study, published in the journal Alcoholism: Clinical and Experimental Research, teased apart a treatment effect (improvement due to A.A. itself) and a selection effect (driven by the type of people who seek help). Read more

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