Empiriceme · Evidence · Bias / Effect

Peak-End Rule

People judge experiences largely based on peak moments and endings.

Kahneman and Redelmeier's finding. Its practical consequence is counterintuitive: adding a mild period at the end of an unpleasant procedure improves the memory of it despite adding total discomfort.

In practice

  • A support call that resolves the issue and ends with a curt sign-off is rated worse than a longer one that ends warmly.
  • A conference remembered by its closing session and its worst moment, and not by the four adequate days in between.
Further reading
Wikipedia
Subject
Psychology & Behavior
Essay
A century and a half of measuring the mind

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