Story perspectives

How 1934 Earthquake Shaped Cognitive Dissonance Theory

12/18/2025

Summary

Story summary

The 1934 magnitude-8.0 earthquake in eastern India caused widespread destruction and fear.
Leon Festinger, a psychologist, studied the earthquake’s aftermath.
He developed the theory of cognitive dissonance to explain how people resolve contradictions.
In Chicago, the Seekers believed an alien message about a catastrophic flood and, after the prophecy failed, they doubled down on their belief.
Leon Festinger's findings were published in the 1956 book When Prophecy Fails.

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Story summary

The 1934 magnitude-8.0 earthquake in eastern India caused widespread destruction and fear.
Leon Festinger, a psychologist, studied the earthquake’s aftermath.
He developed the theory of cognitive dissonance to explain how people resolve contradictions.
In Chicago, the Seekers believed an alien message about a catastrophic flood and, after the prophecy failed, they doubled down on their belief.
Leon Festinger's findings were published in the 1956 book When Prophecy Fails.