What Is Cognitive Dissonance?
Cognitive Dissonance: The Pressure to Reconcile Beliefs and Actions
Cognitive dissonance is the psychological discomfort associated with inconsistent beliefs, commitments, identities, or actions. Leon Festinger proposed that people are motivated to reduce this tension, although the chosen reduction may protect a belief rather than correct it.
A person may change behaviour, revise an attitude, add a justification, minimise the importance of the inconsistency, or avoid conflicting evidence. The pressure is often stronger when a commitment was voluntary, public, costly, or closely tied to identity.
In organisations, dissonance can contribute to escalation of commitment. Decision-makers who sponsored a project may interpret setbacks as reasons for further investment, selectively attend to favourable indicators, or redefine success to preserve the original choice.
Groups and institutions can reinforce dissonance reduction by rewarding loyalty, suppressing bad news, or treating revision as weakness. A coherent official account may survive even when many individuals privately recognise that evidence no longer supports it.
Safeguards include independent review, explicit exit criteria, separating evaluation from sponsorship, recording forecasts before outcomes are known, and making it legitimate to update a decision. These measures reduce the personal and social cost of acknowledging error.
Dissonance theory does not imply deliberate dishonesty. It explains how sincere people can reinterpret evidence to maintain coherence. Recognising the mechanism helps organisations design learning processes that favour correction over self-protection.
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