Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M7404

Reasoning by Analogy

Reasoning by Analogy
CultureHigh supportAnthropology
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Updated 2026-08-10

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INTRODUCTION

English translation pending.

CORE DEFINITION

Reasoning by Analogy, treated in cognitive science from Dedre Gentner's structure-mapping theory onward, identifies a structural correspondence between a familiar source and an unfamiliar target, then transfers attributes across that correspondence. Its core proposition is that analogy is the primary means by which humans understand the unknown in terms of the known, and that its validity depends on relational rather than surface similarity. The key qualifier is scope: the inference holds only inside the region where the two share structure, so the boundary must be stated explicitly.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Source extraction: pull out the key relational structure of the thing that you already understand. - Mapping check: confirm the target shares that structure rather than only the surface look. - Boundary marking: state where the analogy stops working before you rely on it at all.

anchor

Anchor fast decisions

Understanding the unknown requires connecting it to something already modeled, and shared relational structure is what makes the connection informative. When source and target share relations, conclusions about the source constrain the target, which is why analogy produces usable inference at low cost. Surface resemblance without shared relations produces confident transfer of irrelevant attributes.

MINIMUM ACTION

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Source support: Explicit

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