Psychology 2070A/B Lecture Notes - Lecture 9: Cognitive Dissonance, Leon Festinger, Self-Perception Theory

• School: Western University
• Department: Psychology
• Course: Psychology 2070A/B
• Professor: Irene Cheung

Document Summary

Self perception theory: bem, we infer other people"s attitudes from their behaviour, we make the same inferences about ourselves, what is my attitude toward x, we do not have special access to our internal states. Changing attitudes because of our behaviours: can occur when people act in ways that are inconsistent with their attitudes, eg. a vegan wearing a leather jacket, when peoples behaviour doesn"t match their attitudes they feel discomfort. Reward: choose one of two appliances, rated equally attrative. After 20 mins, made the rate again. Insuf cient justi cation: festinger and carlsmith"s classic study, follow-up studies. Research on cognitive dissonance: insuf cient justi cation & illusion of choice. Insuf cient justi cation: festinger and carlsmith"s classic study follow-up studies. Perceived free choice (illusion of choice: related to overjusti cation effect, e. g. , receive reward for playing or no reward for playing. Kids told not to play with a toy. None of the kids played with the toy.