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MENTAL MODEL · M4078

Parkinson's Law of Triviality / Bikeshedding

Parkinson's Law of Triviality / Bikeshedding
BehaviorHigh supportOrganizational Behavior
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Updated 2026-08-01

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INTRODUCTION

English translation pending.

CORE DEFINITION

Coined by Cyril Northcote Parkinson in a essay and illustrated in Parkinson's Law. In his fictional finance committee, a nuclear reactor costing millions is approved in minutes because no member understands it, while a bicycle shed for a few hundred pounds provokes a long argument about materials and colour because every member can picture a shed. The cause is a mix of comprehension and status: hard items intimidate, easy items invite contribution. The pattern predicts that meeting time is inversely related to item importance, and it reflects agenda design rather than individual ability.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Agenda triage: Allocate discussion time by item importance before the meeting starts. - Authority routing: Delegate technical detail to the few who can judge it. - Debate alarm: Treat prolonged argument on a small item as a signal that the real decision is elsewhere.

anchor

Anchor fast decisions

People speak about what they can evaluate. A complex proposal offers no foothold, so members defer; a simple one offers a foothold to everyone, so each member spends time demonstrating competence. Time therefore flows to the item with the lowest comprehension cost. The behaviour is individually rational and collectively damaging, which is why participants rarely notice it while the minutes make it obvious.

MINIMUM ACTION

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Source support: Explicit

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