Cognitive Scaffold

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MENTAL MODEL · M7108

Expert Consensus Method

Expert Consensus Method
DecidemediumDecision Science
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Updated 2026-08-10

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INTRODUCTION

English translation pending.

CORE DEFINITION

A decision method that integrates the divergent judgments of multiple experts through a structured process such as the Delphi method, converging iteratively toward a collective conclusion. Its core proposition is that structured aggregation compensates for the limits of any single expert and for the absence of hard data, provided the process preserves independence and tracks the reasoning behind changes of position. The qualifier is that consensus is not evidence, so the method must not present agreement as proof.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Question definition: state precisely what the expert panel is being asked to converge on. - Anonymized rounds: collect judgments privately and feed back the distribution rather than the names. - Dissent record: document where disagreement remained and what reasoning supported each position.

anchor

Anchor fast decisions

Iterated anonymous feedback lets participants revise their judgments without the social pressure that comes from defending a public position, so extreme views move toward the center while the reasoning is examined. Aggregating several expert judgments in this way produces a more stable estimate than any individual could provide where data is unavailable.

MINIMUM ACTION

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Source support: Explicit

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