Alcohol abstinence vs. moderation.  Degree of dependence predicts which strategy works best.
D000428:Alcohol Drinking / Q000523:psychology*; D000437:Alcoholism / Q000145:classification / Q000523:psychology / Q000534:rehabilitation*; D006801:Humans; D009042:Motivation; D010043:Outcome and Process Assessment, Health Care; D010349:Patient Compliance / Q000523:psychology; D013695:Temperance / Q000523:psychology*