Questions: Self-Perception Theory and Attitude Inference from Behavior

Question 1

A student who has never thought much about recycling agrees to sort recyclables at a campus event, primarily to spend time with friends who organized it. According to self-perception theory, what attitude change would we expect?

• A. Strong pro-recycling attitude change, because the student performed the behavior
• B. Minimal attitude change, because the external justification (spending time with friends) explains the behavior without requiring an internal attitude
• C. Attitude change away from recycling, due to psychological reactance to social pressure
• D. Strong attitude change, because repeated performance of the behavior strengthens self-perception effects

Answer: (B)

Self-perception theory only predicts attitude change when behavior appears freely chosen and lacks a compelling external explanation. When people can attribute their behavior to external pressure — social belonging, incentives, instructions — the behavior doesn't carry attitude-inferential weight. The student doesn't need to conclude 'I must care about recycling' because there is an obvious external explanation. The perceived-freedom condition is essential to the theory.

Question 2

Self-perception theory and cognitive dissonance theory both explain how behavior can change attitudes. In which situation does self-perception theory best apply?

• A. A person with a deep fear of public speaking is compelled to give a speech and becomes more anxious
• B. A person with strong anti-war views is pressured to write a pro-war essay and feels distress
• C. A person who has never formed a clear view on a topic volunteers to argue for it and later endorses it, with no strong reward offered
• D. A person who strongly values honesty tells a lie and experiences guilt

Answer: (C)

Self-perception theory applies when internal cues are weak or ambiguous — when no strong prior attitude exists. Option C describes exactly this: no clear prior attitude, freely chosen behavior, no strong external reward. Dissonance theory requires a strong prior attitude that the behavior contradicts, generating aversive arousal. Options B and D are classic dissonance scenarios: a clear prior attitude is violated, producing psychological tension that motivates change.

Question 3

Self-perception theory predicts that a person who freely argues for a position they are mildly neutral on will shift their attitude toward that position.

• T. True
• F. False

Answer: True

When internal attitude cues are weak or ambiguous and behavior appears self-chosen — with no compelling external justification — the person observes their own behavior as if from the outside and infers an attitude from it: 'I argued for this position without being forced to, so I must believe it somewhat.' This closely parallels how we infer others' attitudes from their behavior, and is the core prediction of the theory.

Question 4

According to self-perception theory, attitude change from behavior is strongest when people already hold strong, clearly defined attitudes about the topic.

• T. True
• F. False

Answer: False

Self-perception theory predicts attitude change precisely when internal cues are weak or ambiguous. For strong, clearly held attitudes, you already know what you think and don't need to infer it from behavior. In those cases, cognitive dissonance is the more relevant mechanism. The two theories carve up the space of attitude change: self-perception governs the weak-attitude case; dissonance governs the strong-attitude case.

Question 5

Why does offering a large reward for performing a behavior undermine the attitude change that self-perception theory would otherwise predict? Explain the mechanism.

Model answer: When a large reward explains the behavior, the person can attribute their action to the incentive rather than to an internal attitude: 'I did it for the money, not because I believe in it.' This external attribution leaves no inferential work for self-perception to do. Self-perception theory only operates when behavior appears freely chosen — when no compelling external explanation is available. The large reward provides exactly such an explanation, blocking the inference 'I must believe this because I freely chose to do it.'

This mechanism mirrors interpersonal attribution: if someone praises a product and we learn they were paid to do so, we discount the praise as evidence of genuine belief. Bem's insight was that we apply the same discounting logic to our own behavior — we are observers of ourselves, and the same attribution rules apply. The 'overjustification effect' in intrinsic motivation research rests on the same logic.