Congruity Theory

The video explains congruity theory, a model of attitude change, where congruity occurs when a liked person says something agreeable, and incongruity arises when they say something disagreeable. This is part of Heider's balance theory, which suggests attitude changes to restore balance. The theory involves three components: the source, the object, and the perceiver. Congruity is visualized as a triangle, and attitudes are measured on a scale. The theory helps predict attitude changes based on perceptions of the source and the statement.

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