For example, you can bring people into a lab or something like that and show them food and say, well can you estimate how many calories are in this, and you actually know how many calories are in it, and you get the error.

比方说,带一些实验对象进入实验室,向他们展示一些食物并问,你们能估计这些食物含有多少卡路里吗,人们认为自己对卡路里含量心里有谱,但他们错了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选