“…To unobtrusively measure levels of beer consumption, we asked participants to taste and then rate beverages on characteristics including taste, price, and color during a 15-min drinking period in accord with procedures elaborated by Marlatt, Demming, and Reid (1973). This procedure has been shown to be sensitive to levels of alcohol consumption in alcoholics versus social drinkers and has been successfully used to predict alcohol treatment outcome (Miller, Hersen, Eisler, & Eichler, 1974) and ad libitum drinking rates for alcoholic women (Tracey, Karlin, & Nathan, 1974). Test-retest reliability after 6 weeks was .72 for a group of 12 male social drinkers (Marlatt, Pagano, Rose, & Marques, 1975).…”