Cognitive Scaffold

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MENTAL MODEL · M7648

Precedent Analysis

Precedent Analysis
DecidemediumDecision Science
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Updated 2026-08-10

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INTRODUCTION

English translation pending.

CORE DEFINITION

A case-based reasoning method grounded in the legal doctrine of stare decisis, also used in corporate crisis planning and policy design. The core proposition is that past cases with similar structure yield transferable rules, which reduces uncertainty in the current decision and supports consistency across comparable situations. The key qualification is that transfer depends on structural similarity: applying a precedent without distinguishing relevant differences produces systematically wrong conclusions.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Fact abstraction: reduce the current situation to its decisive structural features. - Precedent retrieval: find past cases sharing those features rather than surface details. - Distinguishing test: identify which differences actually change the applicable rule.

anchor

Anchor fast decisions

Reasoning from cases bypasses the need for a complete general theory, which is valuable where rules are underspecified. Retrieving a similar case supplies a tested rule and its known failure modes, and comparing the two situations exposes which conditions the rule depends on. Consistency across similar cases also supports fairness, since comparable situations receive comparable treatment.

MINIMUM ACTION

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Source support: Explicit

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