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Beliefs about aggression moderate alcohol's effects on aggression
Cheri A Levinson1, Peter R Giancola, Dominic J Parrott
1Department of Psychology, University of Kentucky, 115 Kastle Hall, Lexington, KY 40506-0044, USA.
Experimental and Clinical Psychopharmacology
|February 24, 2011
Summary
Alcohol intoxication increases aggression, especially in individuals with permissive beliefs about aggression. These findings highlight the role of beliefs in moderating alcohol
Area of Science:
- Psychology
- Social Psychology
- Cognitive Psychology
Background:
- Alcohol intoxication is frequently linked to increased aggression.
- Individual differences, such as beliefs about aggression, may influence this relationship.
- Understanding these moderators is crucial for developing effective prevention strategies.
Purpose of the Study:
- To investigate whether beliefs about aggression moderate the effect of acute alcohol intoxication on aggressive behavior.
- To examine this relationship in two large-scale social drinker samples.
Main Methods:
- Two experiments were conducted with social drinkers (N=328 and N=518).
- Participants consumed alcohol or a placebo beverage.
- Aggression was measured using a laboratory task involving administering electric shocks to a fictitious opponent, with beliefs about aggression assessed via self-report.
Main Results:
- Alcohol consumption significantly increased aggression.
- This effect was more pronounced in participants who held more approving beliefs about aggression.
- Individuals with less approving beliefs showed a weaker or no increase in aggression after alcohol consumption.
Conclusions:
- Permissive beliefs about aggression act as a moderator, amplifying the link between alcohol intoxication and aggressive behavior.
- These findings align with cognitive script models of aggression.
- Implications for violence prevention suggest targeting beliefs about aggression in conjunction with addressing alcohol use.
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