Pour Guess: The Effect of Glass Shape and an Ice Substitute on Alcohol Pouring and Estimation.

Given that participants overestimated the amount of alcohol in their typical alcoholic drink, self-report measures of alcohol consumption may be overstating the amount of alcohol individuals consume. Additionally, the presence of ice may improve accuracy when pouring standard servings (U.K. units) of alcohol. Therefore, self-report measures may be improved if the presence of ice is considered.