Cognitive Dissonance

A tendency to seek consistency among attitudes, thoughts, and beliefs.

People strive to have consistency among their attitudes, thoughts, and beliefs. Cognitive dissonance is the state of mental discomfort that occurs when a person’s attitudes, thoughts, or beliefs (i.e., cognitions) conflict. If two cognitions agree with one another, there is consonance, and a state of comfort results. If two cognitions disagree with one another, there is dissonance, and a state of discomfort results.1

People alleviate cognitive dissonance in one of three ways: by reducing the importance of dissonant cognitions, adding consonant cognitions, or removing or changing dissonant cognitions. For example, advertising campaigns that urge people ...

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