Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M7514

Planning Poker

Planning Poker
TechnicalHigh supportSoftware Engineering
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Updated 2026-08-10

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INTRODUCTION

English translation pending.

CORE DEFINITION

An estimation technique in which team members simultaneously reveal cards, usually bearing Fibonacci values, and then discuss the items with the largest spread until they converge on a shared estimate. Its proposition is that independent judgment must precede discussion, because the first speaker anchors everyone else, while collective discussion then corrects individual bias. Qualifier: the goal is a shared understanding of the work, not a numerical average that conceals disagreement.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Independent estimate: Have each member size the work privately before any discussion happens. - Anchoring control: Reveal cards simultaneously so the first confident voice cannot steer the group. - Disagreement focus: Debate the items with the widest spread to expose hidden assumptions and risks.

anchor

Anchor fast decisions

Estimates formed in discussion reflect social influence rather than independent judgment, because early speakers anchor later ones. Simultaneous reveal removes that sequence and produces genuinely independent numbers. The spread itself then becomes information: large gaps point to differing assumptions about the work, and resolving those gaps improves the estimate more than averaging would.

MINIMUM ACTION

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Source support: Explicit

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