And what Festinger was interested in was the idea that what happens when people experience an inconsistency in their heads.

令Festinger感兴趣的是,当人们心理活动,产生不一致时，会怎么样。

耶鲁公开课 - 心理学导论课程节选

The idea was developed by the social psychologist Leon Festinger and it's called "Cognitive Dissonance Theory."

这个理论由社会心理学家Leon，Festinger提出的,被称为“认知失调理论”

耶鲁公开课 - 心理学导论课程节选