Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M6781

PPM

PPM
DecideHigh supportDecision Science
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Project Portfolio Matrix, which classifies and prioritizes projects based on dimensions such as strategic value and resource demand, guiding project investment decisions.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Optimal allocation of limited resources. When multiple projects compete for resources, it provides a systematic basis for screening and prioritization.

anchor

Anchor fast decisions

Resources are limited, and projects compete with each other. The PPM matrix places projects into quadrants based on "strategic value × resource demand" (or other dimensions), making investment decisions visual: high-value, low-consumption projects are prioritized; high-consumption, low-value projects are eliminated or restructured, avoiding the situation where "everything is being done but nothing is done well."

MINIMUM ACTION

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Source support: Explicit

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