Question:

Who proposed the concept of cognitive dissonance?

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Festinger (1957) gave the theory of cognitive dissonance.
Updated On: Oct 1, 2026
  • Leon Festinger
  • Richard LaPiere
  • Fritz Heider
  • Tajfel and Turner
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The Correct Option is A

Solution and Explanation

Step 1: Understanding the Concept:
Cognitive dissonance is the uncomfortable mental state a person feels when two of their beliefs, attitudes or actions clash with each other.

Step 2: Key Formula or Approach:
We match this concept with the psychologist who introduced it in the study of attitude change.

Step 3: Check option (1).
Leon Festinger proposed the theory of cognitive dissonance in 1957. He said the discomfort pushes people to change an attitude or action to feel consistent again. So option (1) is correct.

Step 4: Check option (2).
Richard LaPiere is known for his study on the gap between attitude and behaviour, based on hotel and restaurant visits with a Chinese couple. It is not about dissonance. So option (2) is wrong.

Step 5: Check option (3).
Fritz Heider proposed balance theory with the P-O-X triangle. It is a different theory of consistency. So option (3) is wrong.

Step 6: Check option (4).
Tajfel and Turner are linked with social identity theory and intergroup relations. So option (4) is wrong.

Final Answer:
Cognitive dissonance was proposed by Leon Festinger, option (1).
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