To determine if topiramate is an effective treatment for alcohol​ dependence, researchers conducted a​ 14-week trial of 371 men and women aged 18 to 65 years diagnosed with alcohol dependence. in this​ double blind, randomized,​ placebo-controlled experiment, subjects were randomly given either 300 milligrams​ (mg) of topiramate​ (183 subjects) or a placebo​ (188 subjects)​ daily, along with a weekly compliance enhancement intervention. the variable used to determine the effectiveness of the treatment was​ self-reported percentage of heavy drinking days. results indicated that topiramate was more effective than placebo at reducing the percentage of heavy drinking days. the researchers concluded that topiramate is a promising treatment for alcohol dependence. complete parts​ (a) through​ (f).