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