Half of you did above average on the Midterm; half of you did below average on the Midterm, but if I went up and asked each of you why the answers would not be symmetrical.

你们当中有一半人期中考得比平均分高;,有一半期中考得比平均分低，但如果我去问你们为什么,答案会各有不同呢。

耶鲁公开课 - 心理学导论课程节选

This has been called the "Lake Wobegon effect" based on Garrison Keillor's story about a place where all the children are above average.

这个就叫“乌比冈湖效应”,名字源于Garrison，Keillor的一个故事,故事里有个地方的小孩子比一般孩子都优秀。

耶鲁公开课 - 心理学导论课程节选