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A message in a bottle: Extrapharmacological effects of alcohol on aggression |
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| Authors: | Laurent Bè gue,Baptiste Subra,Dominique Muller,Michel Zorman |
| Affiliation: | a University of Grenoble and University Institute of France, Psychology Department, BP 47, 1251 Avenue Centrale, 38040 Grenoble, France b Department of Psychology, University of Grenoble, Grenoble, France c Research Center of Health Service of Army, Human Factors Department, Grenoble, France d University of Grenoble Joseph Fourier, Laboratory HP2, Grenoble, France e Cogni-Science Laboratory, Grenoble, France |
| Abstract: | The physiological and expectancy effects of alcohol consumption on the aggressive behavior of 116 general-population males aged 18-45 years were analyzed separately in a naturalistic field experiment using a 3 × 3 Balanced Placebo Design (BPD). Participants were given a non-alcoholic drink, a drink targeting a Blood Alcohol Concentration (BAC) of .05%, or a drink targeting a BAC of .1%. Within these three groups, three expectancy levels were induced regarding the quantity of alcohol ingested. Aggressive behavior was measured as retaliation against an aggressive confederate, in the form of amounts of hot sauce and salt administered in a taste test. Expectancies significantly increased aggressive behavior, whereas actual quantity of alcohol ingested was unrelated to aggression. Aggressive dispositions also predicted aggressive behavior. |
| Keywords: | Aggression Alcohol Expectancies Placebo Field experiment |
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