In this particular study, we took thirty people who enter in a weight loss clinic and we had them estimate the calories in these sort of common foods.

在这个实验中,三十人进入了一家减肥专科门诊,让他们估计一些普通食物中的卡路里

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选