A theory about relevant inconsistency
Leon Festinger’s theory proposed that inconsistency between relevant cognitions—beliefs, knowledge about behaviour or commitments—can produce an uncomfortable state that motivates change. [1] “Exercise matters to me” and “I did not exercise today” are inconsistent, but the discomfort depends on importance, interpretation and available justification.
Dissonance is not a diagnosis and cannot be inferred confidently from someone else’s behaviour. People can feel conflicted for many reasons, and researchers usually create or measure specific conditions rather than label a person from a distance.
How people reduce dissonance
A review describes several routes: change the behaviour, change an attitude, add supporting thoughts, reduce the importance of the conflict or reinterpret the action. [2] After an expensive purchase, for example, a person may focus on its advantages and avoid unfavorable reviews. They may also return the item or decide the cost matters less than expected.
None of these responses is automatically dishonest. New information can legitimately change a belief. The useful question is whether the response improves contact with evidence and chosen values or mainly protects a conclusion from examination.
From discomfort to action
Action-based accounts propose that dissonance is especially relevant when inconsistency interferes with effective action, and that committing to a course can reduce the state. [3] This helps explain why people sometimes resolve uncertainty quickly. It does not mean the quickest decision is the best one.
Consider someone who values fairness but notices they interrupted a colleague repeatedly. They could deny the pattern, decide the colleague deserved it, lower the importance of fairness—or acknowledge the mismatch and change how they participate next time.
A non-diagnostic reflection
When you notice tension around a choice, ask:
- Which two commitments, beliefs or actions seem inconsistent?
- Why does this inconsistency matter to me?
- Am I changing the behaviour, the belief, or only the story around them?
- Which response would I still respect after the discomfort falls?
Sometimes the honest answer is that two values genuinely conflict. The goal is not perfect consistency but a more deliberate account of the trade-off.
Use the concept on yourself, cautiously
“You are in cognitive dissonance” is often used as a conversational weapon. It claims access to another person’s motives and closes discussion. A better use is first person: “I notice a mismatch, and I want to understand how I am responding.”
Ataraxia can support that pause by separating the thought, the chosen direction and the next action. It does not infer psychological states or decide which belief should win.
Frequently asked questions
Is cognitive dissonance the same as hypocrisy?
No. Hypocrisy is a moral judgment about professed standards and behaviour. Dissonance is a theory about the motivational effects of relevant inconsistency.
Does dissonance always change behaviour?
No. People may change an attitude, add justification, reduce importance, avoid information or change behaviour.
Can two values conflict without one being false?
Yes. Privacy and honesty, or care and rest, can create real trade-offs. Reflection may clarify a choice without removing every cost.
Sources and references
Prepared for Ataraxia using cited sources. No professional credential or scientific board is claimed.
- Foundational academic bookFestinger, L. (1957). “A theory of cognitive dissonance.” Stanford University Press. View source
- Scientific reviewMcGrath, A. (2017). “Dealing with dissonance: A review of cognitive dissonance reduction.” Social and Personality Psychology Compass, 11(12), e12362. DOI: 10.1111/spc3.12362. View source
- Theory reviewHarmon-Jones, E.; Harmon-Jones, C.; Levy, N. (2015). “An action-based model of cognitive-dissonance processes.” Current Directions in Psychological Science, 24(3), 184–189. DOI: 10.1177/0963721414566449. View source