A major difference between cognitive dissonance theory and self-perception theory involves the extent to which ____ is necessary to lead to self-persuasion and attitude change.

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Cognitive dissonance theory posits that the experience of physiological arousal (discomfort) due to holding conflicting cognitions is necessary for self-persuasion and attitude change, whereas self-perception theory suggests that individuals infer their attitudes from their behaviors in the absence of strong internal cues, without necessarily experiencing discomfort.

A Major Difference Between Cognitive Dissonance Theory and Self-Perception Theory