Cognitive Scaffold

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MENTAL MODEL · M12602

Paving the Cow Path

Paving the Cow Path
CreatemediumDesign Thinking
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Updated 2026-09-11

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INTRODUCTION

English translation pending.

CORE DEFINITION

The image comes from campus planning: rather than paving a rectangular grid and posting signs, planners watch where feet wear paths across the grass and pave those. Its core claim is that repeated behavior under real constraints reveals the true requirement, so the design should follow observed usage instead of the designer's model of it. The qualification is that not every habit deserves to become a standard, since some shortcuts are efficient and others are symptoms of a broken process or a risk that still needs managing.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Usage observation: watch where people actually go before deciding where to build the path. - Legitimizing step: turn a stable workaround into a supported process instead of an exception. - Friction reading: treat every persistent workaround as evidence that the official flow is wrong.

anchor

Anchor fast decisions

People optimize against the constraints they actually face, so repeated deviation from a designed path means the designed path costs more than the designer assumed. Observing that deviation supplies the real cost function for free. Formalizing the workaround then removes the friction, and because it matches existing behavior, adoption requires no compliance effort.

MINIMUM ACTION

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Source support: Explicit

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