Impact of social context on calories purchased

Impact of Group Settings and Gender on Meals Purchased by College Students
MOLLY ALLEN-O’DONNELL, et al.
Journal of Applied Social Psychology. 41 (9): 2268–2283, September 2011
http://onlinelibrary.wiley.com/doi/10.1111/j.1559-1816.2011.00804.x/abstract

This study examines the impact of social context and perception of weight on calories purchased by college students in a natural setting. Not only did women in mixed-gender groups purchase fewer calories than did women in same-gender groups, but significant interaction effects exist among the gender composition of groups, perception of being overweight, and gender of respondents. Men modified calories purchased across mixed-gender and same-gender groups, purchasing more when in mixed-gender groups. The study helps address theoretical and methodological gaps in prior research and frames the findings in terms of variation of gender salience across social relational contexts.

journalistic versions:

http://www.npr.org/sections/thesalt/2011/10/04/140961754/eating-meals-with-men-may-mean-eating-less

http://www.npr.org/2016/05/31/479754700/food-for-thought-the-subtle-forces-that-affect-your-appetite

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