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

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According to cognitive dissonance theory, the presence of psychological arousal is necessary for attitude change. However, self-perception theory suggests that individuals infer their attitudes from their behavior and do not necessarily experience psychological arousal. Instead, they rely on situational cues to determine their attitudes, making physiological arousal less necessary.

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