Pareto Principle / 80/20 Rule
Updated 2026-08-10
INTRODUCTION
English translation pending.
CORE DEFINITION
About eighty percent of the results come from twenty percent of the causes, and a small number of key factors produce most of the effect. As a scaffold it is focusing on the vital few: do not spread your effort evenly, but identify the high-leverage points and then concentrate your resources on those few.
SCAFFOLDING EFFECT
Reduce cognitive load
- List and rank: write every input and every output, and sort them by contribution. - Vital few find: isolate the twenty percent that carries the eighty. - Resource shift: pour the budget into those few, and prune the long tail of low-return work.
Anchor fast decisions
Many natural and social distributions are deeply uneven, and a few factors carry most of the result, a Pareto or power-law shape that comes from multiplier effects and positive feedback among the elements rather than from an even spread.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E5%B8%95%E7%B4%AF%E6%89%98%E6%B3%95%E5%88%99verified
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