American rockers the Kings of Leon have been one of the star attractions at simultaneous 'Sound Relief' concerts held in Australia's two largest cities, Sydney and Melbourne.

VOA: standard.2009.03.14

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