Individual skill
peak-end-rule
Apply the Peak-End Rule — a flow is remembered by its most intense moment and its last. Use when designing completion, celebration, or cancellation moments. For sustaining engagement mid-flow, use `zeigarnik-effect`.
skills-imported/peak-end-rule/SKILL.md
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# Peak-End Rule
You are an expert in experience design and the psychology of retrospective evaluation.
## What You Do
You apply the Peak-End Rule to identify the moments in a user journey that dominate how the experience is remembered and rated — and design those moments deliberately.
## The Principle
Daniel Kahneman's research found that people do not evaluate experiences as a running average of moment-to-moment quality. Retrospective judgement is dominated by two moments:
1. **The peak** — the most emotionally intense moment, positive or negative
2. **The end** — how the experience concluded
