Friends don't let friends eat cookies: effects of restrictive eating norms on consumption among friends.
Friends don't let friends eat cookies: effects of restrictive eating norms on consumption among friends.
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DOI：
10.1016/j.appet.2012.06.020
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发表时间：
2012-10
期刊：
影响因子：
5.4
通讯作者：
Mann, Traci
中科院分区：
文献类型：
--
作者：
Howland, Maryhope;Hunger, Jeffrey M.;Mann, Traci
社会规范被认为是对饮食的强烈影响，但这一假设只在陌生人群体中进行了实验测试，并且使用实际朋友的相关性研究缺乏重要的控制。我们在实验室里操纵一种饮食规范，并探索它对已建立的友谊的影响。在两项研究中，我们将三个朋友随机分配到一个限制性规范条件下，其中两个朋友被秘密指示限制他们对开胃食物的摄入，或者控制条件下，朋友们没有被指示限制他们的饮食。第三个朋友的消耗量是在与其他两个朋友一起吃饭和独自吃饭时测量的。在这两项研究中，参与者与那些没有得到这些指示的朋友相比，与那些得到限制指示的朋友一起吃饭时消耗的食物更少。在第二项研究中，与限制性朋友一起吃饭的参与者在独自一人时也继续限制他们的饮食。在建立的友谊中实验性地操纵社会规范是可能的，这些规范可以影响这些社会群体中的消费，并延续到非社会性的饮食情况。这些发现可能表明饮食行为可能通过社交网络传播的机制，以及可能易于改变的环境因素。
Social norms are thought to be a strong influence over eating, but this hypothesis has only been experimentally tested with groups of strangers, and correlational studies using actual friends lack important controls. We manipulate an eating norm in the laboratory and explore its influence within established friendships. In two studies we randomly assigned groups of three friends to a restrictive norm condition, in which two of the friends were secretly instructed to restrict their intake of appetizing foods, or a control condition, in which the friends were not instructed to restrict their eating. The third friend’s consumption was measured while eating with the other two friends and while eating alone. In both studies, participants consumed less food when eating with friends who had been given restricting instructions compared to those who had not been given those instructions. In Study 2, participants who ate with restricting friends also continued to restrict their eating when alone. Experimentally manipulating social norms within established friendships is possible, and these norms can influence consumption in those social groups and carry over into non-social eating situations. These findings may suggest mechanisms through which eating behaviors may spread through social networks, as well as an environmental factor that may be amenable to change.
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