Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M6000

Ten Percent Law

Ten Percent Law
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Updated 2026-08-05

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INTRODUCTION

English translation pending.

CORE DEFINITION

The ten percent law states that as energy passes along a food chain, only about ten percent of the energy at one trophic level is assimilated by the next; the rest is lost as heat or spent in respiration, which is why chains rarely exceed five levels. In organizations the same logic is applied to information and directives: every additional layer costs roughly ninety percent of accuracy and execution energy, which is the argument for flattening the hierarchy and cutting out trophic levels.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Level count: count the levels standing between a decision and its execution. - Attenuation math: estimate ten percent survival per layer to find the energy left at the end. - Flatten decision: remove the levels where the remaining energy no longer justifies the cost.

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Anchor fast decisions

Lindeman's efficiency describes how energy transferred upward is mostly spent on metabolism and lost as heat, in line with the second law of thermodynamics. Because so little survives each step, the biomass that can be supported at the top is tiny and food chains stay short.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Ecological_efficiencyZH · Explicit
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