Dissonance

1
Dissonance

• assumption is that we dislike inconsistency and,
  as a result, strive for consistency in our
  attitudes, beliefs, opinions, values, and
  behaviors.

2
Dissonance-Arousing Situations

• Choice
• Insufficient Justification
• Effort Justification
• New Information

3
Responses to Dissonance

• Change the inconsistent belief
• Change the inconsistent behavior
• Change the environment
• Add new cognitive elements to justify
• Decrease the importance of the inconsistent belief

4
Two Necessary Conditions

• Our counterattitudinal behaviors produce aversive
  consequences
• We must accept responsibility for those aversive
  consequences