Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M7385

Code Review

Code Review
SystemsHigh supportSystems Theory
Included
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Before code is merged, a systematic check of the code's correctness, readability, design quality, security risks, etc., is performed by someone other than the author (or by a tool). This is usually accompanied by written feedback.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Use a second pair of eyes to counter blind spots. Authors often have 'blindness' to their own code; external reviewers can identify different types of issues; it is also a mechanism for knowledge transfer and standardization.

anchor

Anchor fast decisions

A second pair of eyes other than the author checks the code against standards, which can uncover blind spots caused by the author's familiarity (blind spot effect), while also serving as a mechanism for knowledge transfer, standardization, and quality gates. Independent review significantly improves defect detection rates.

MINIMUM ACTION

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Practice this model in one real situation:

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Source support: Explicit

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    zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E4%BB%A3%E7%A0%81%E5%AE%A1%E6%9F%A5ZH · Explicit
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