Cognitive Scaffold

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MENTAL MODEL · M3350

Meta-Analysis

Meta-Analysis
DecideHigh supportDecision Science
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

A statistical method that combines results from multiple independent studies addressing the same question to obtain a more precise and statistically powerful conclusion.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Evidence of evidence. Do not be misled by a single study (even an RCT), as it may be due to chance. Look at meta-analyses, which are big-data conclusions from all studies combined. This is currently the pinnacle of the hierarchy of human evidence.

anchor

Anchor fast decisions

Uses statistical methods to combine results from multiple independent studies, yielding larger sample sizes and more robust effect estimates, and to examine sources of heterogeneity.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Meta-analysisZH · Explicit
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