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The Fat Suit Study
The fat suit study is an experiment which looks at how the weight of an eating companion influences the amount of food and the healthfulness of the eating behavior of those eating with that person. It is known that eating with other people.〔De Castro, J.M., & De Castro, E.S. (1989). Spontaneous meal patters of humans: 391 influence of the presence of other people. American Journal of Clinical Nutrition, 50, 237- 247.〕 as well as looking at the picture of an overweight individual before eating 〔Campbell, M.C., & Mohr, G.S. (2011). Seeing is eating: How and when activation of a 383 negative stereotype increases stereotype-conductive behavior. Journal of Consumer Research, 384 38, 431-444〕 affects how much one eats. The fat suit study was done by researchers Mitsuru Shimizu from University of Illinois, Katie Johnson from Mayo Medical School and Brian Wansink who is the director of the Food and Brand Lab at Cornell University. The study demonstrated that people will consume larger portions of unhealthy food and smaller portions of healthier food when eating with an overweight person. These findings are consistent with the “lower health commitment” hypothesis and emphasizes the importance of deciding beforehand what to eat when eating with other people as well as to commit to that decision when choosing one’s food.〔Shimizu, Mitsuru; Johnson, Katie; Wansink, Brian (2014). “In good company. The effect of an eating companion’s appearance on food intake”. Appetite 88: 263-268. doi: 10.1016/j.appet.2014.09.004〕 Other researchers have also devised similar studies which looked at how what other people choose to eat will also affect one’s own consumption; this is often referred to as the “Copycat Effect” 〔Barthomeuf, L., et al. (2012). "How emotions expressed by adults’ faces affect the desire to eat liked and disliked foods in children compared to adults." British Journal of Developmental Psychology 30(2): 253-266.〕 〔Brindal, E., et al. (2011). "Does meal duration predict amount consumed in lone diners? An evaluation of the time-extension hypothesis." Appetite 57(1): 77-79.〕 〔Goldman, S. J., et al. (1991). "Is the effect of a social model on eating attenuated by hunger?" Appetite 17(2): 129-140.〕 〔Tanner, R. J., et al. (2008). "Of Chameleons and Consumption: The Impact of Mimicry on Choice and Preferences." Journal of Consumer Research 34(6): 754-766.〕
== Method ==
In this Cornell study, 82 undergraduate students were recruited to eat a spaghetti and salad lunch. For that lunch, an actress with a normal BMI of 21 was enlisted and requested to wear a fat-suit which added 50 pounds to her original weight. The fat suit gave her a BMI of 29 which classified her as being overweight. One of the following four conditions was presented to each participant: the actress served herself healthfully (more salad than pasta) while wearing the prosthesis, she served herself the same healthy meal without the prosthesis, she served herself less healthfully (more pasta and less salad) while wearing the prosthesis, or she served herself the same less healthy meal without the prosthesis. Participants in each scenario were lined behind the actress such that they were able to view the actress serving herself before serving themselves. The weight of the food consumed by participants was recorded. 〔Shimizu, Mitsuru, Laura E. Smith, and Brian Wansink (2010), “The Fat Suit
Study: When Skinny Companions Lead Us to Eat Healthier,” FASEB Journal, 24:936.8.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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