Journal
APPETITE
Volume 57, Issue 1, Pages 99-104Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.appet.2011.04.005
Keywords
Teenage girls; Food purchase; Social influence; Modeling behavior; Shopping; Hunger
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Ample experimental research has demonstrated the impact of peer influence on food intake in adolescents and adults. However, none of these studies focused social modeling effects on food purchases in supermarkets. This study investigated whether the food purchase behavior of a confederate peer would be adopted by the participant. Teenage girls (N = 89) were asked to perform a shopping task in a local supermarket. They had to shop with a same-sex confederate peer who had been instructed earlier to purchase either five low-kilocaloric food products, five average-kilocaloric or five high-kilocaloric food products. Significant main effects for the experimental purchase condition and hunger were found on the amount of kilocalories of the purchased food products. Teenage girls who shopped with a peer in the high-kilocalorie condition purchased higher kilocalorie food products relative to the girls who shopped with a peer in the low-kilocalorie condition. In addition, girls who reported to be hungry purchased higher kilocalorie food products in general. These findings might imply that teenage girls follow unhealthy food purchases of a peer during shopping. Health promotion might benefit from our findings by also focusing on food purchases and not only food intake. (C) 2011 Elsevier Ltd. All rights reserved.
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