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Chunk #7 — Introduction

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The impact of focusing a program to prevent heavier drinking on a pre-existing phenotype, the low level of response to alcohol.
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The small number of participants in that protocol highlights the need for testing in larger samples (Scott, 2012). Potential impacts of sex and racial/ethnic group membership on drinking practices and on LR support the need to consider ethnicity and sex while evaluating differential impacts of LRB and SOTA education groups on drinking practices in Low and High LR individuals. This report presents data from a new sample of 500 drinking subjects exposed to similar videos as in the pilot study and evaluated over the same three time points as in the original program. Our goal was to further evaluate a protocol aimed at helping the usual student drinker to minimize heavy alcohol consumption during transition from high school to college. We evaluated three hypotheses: 1) both Low and High LR participants will demonstrate decreases in drinking quantities across eight weeks (i.e., the interventions will do no harm); 2) even after considering changes in drinking for the Control Group as well as race/ethnicity and sex, the Low LR students will show greater decreases in drinking quantities in the LRB Group; and