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Chunk #12 — Methods — Interventions

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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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At Baseline (Week 1), all subjects were paid $20 for Assessment Questionnaires (and $20 for each additional assessment) regarding prior month alcohol-related items. After completing the assessment, subjects in the two video groups (paid $20 for each video) accessed a 50-minute video on a secure Website and answered questions addressing comprehension of the major points presented. That process for videos was repeated each week for the first month, and in Week 4 participants in all three groups completed their second Assessment Questionnaire, which for video groups was only available after watching Video 4. At Week 8, subjects in all three groups completed their third paid assessment regarding prior month alcohol use.