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  • Title: Speeches, strangers, and alcohol use: the role of context in social stress response dampening.
    Author: Ham LS, Casner HG, Bacon AK, Shaver JA.
    Journal: J Behav Ther Exp Psychiatry; 2011 Dec; 42(4):462-72. PubMed ID: 21596011.
    Abstract:
    According to the Stress Response Dampening model, problem drinking develops after learning that alcohol limits the stress response in anxiety-provoking situations. However, laboratory-based studies testing alcohol's effects on social anxiety have yielded mixed results. The current study was the first to examine stress response dampening across two contexts: a performance-based (a speech) and an interaction-based (a conversation) social situation. Undergraduates (N = 62; M(age) = 22.85; 31% women; 81% Caucasian) were randomly assigned to consume an alcoholic (target BAC = .08%; n = 22), placebo (n = 20), or nonalcoholic control (n = 20) beverage followed by the anxiety-inducing social tasks. Results revealed a 3 (alcohol condition) × 2 (social task condition) × 4 (measurement point) interaction, controlling for baseline subjective state anxiety and trait social anxiety. The pattern of scores over the course of the task varied across alcohol conditions for the speech, but not the conversation. Specifically, participants in the alcohol and placebo conditions evidenced increased subjective anxiety following the first measurement point prior to the speech and their anxiety remained elevated at all subsequent measurements. Participants in the nonalcoholic control condition evidenced stable subjective anxiety ratings for all speech measurement points. Results did not support stress response dampening for either type of social situation. Instead, the only between-group difference found was that the placebo group reported greater subjective anxiety than the nonalcoholic control group after the speech. Concerns about alcohol's negative effects on one's performance might have led to increased anxiety. Findings shed light on previous inconsistent findings and highlight the need to consider context and timing in understanding drinking to cope with social anxiety.
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