Monday, November 24, 2008

Cognitive Dissonance

A powerful cause of dissonance is when an idea conflicts with a fundamental element of the self-concept, such as "I am a good person" or "I made the right decision." This can lead to rationalization when a person is presented with evidence of a bad choice. It can also lead to confirmation bias, the denial of disconfirming evidence, and other ego defense mechanisms.

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