Alcohol demand moderates brief motivational intervention outcomes in underage young adult drinkers

INTRODUCTION: The Alcohol Purchase Task (APT), a behavioral economic measure of alcohol's reinforcing value (demand), has been used to predict the effects of Brief Motivational Intervention (BMI) on alcohol use outcomes. However, it is not known whether BMI may be more or less efficacious, relative to control, among those with different levels of alcohol demand prior to treatment. METHODS: Non college-attending young adults (N = 150) reporting …