Peak-End Rule
Updated 2026-08-15
INTRODUCTION
English translation pending.
CORE DEFINITION
The peak-end rule, found by Kahneman and colleagues, says that the remembered quality of an experience is governed by the peak, the moment of strongest emotion, and by the end, the feeling at the finish, rather than by the average across the whole thing. The design lesson is to design the memory instead of the process: with limited resources, building a memorable high point and a clean ending beats a uniform lift across every minute.
SCAFFOLDING EFFECT
Reduce cognitive load
- Design the memory: spend the budget on the peak and the ending, not on the average. - Engineer the peak: build one clearly intense moment rather than smoothing everything. - Land the ending: make the last touch deliberate, since it is what gets carried away.
Anchor fast decisions
Storage is not a recording of the duration but a summary built from a few salient points, and intensity and recency are the two that dominate. The peak supplies the intensity and the end supplies the recency, so everything in between is averaged away, which is why two experiences with the same mean can be remembered completely differently.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Peak%E2%80%93end_ruleverified
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