Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M11507

System Usability Scale

System Usability Scale
SystemsHigh supportSystems Theory
Included
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

A standardized questionnaire consisting of 10 questions (e.g., "I think that I would like to use this system frequently") used to quickly quantify the usability of a product.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Health check report. Don't just say "I think it's not usable." Run the SUS to get a score (68 is the passing line). Use the score to track whether the experience has improved or declined after redesign.

anchor

Anchor fast decisions

SUS is a standardized questionnaire that uses 10 Likert items to quickly assess system usability, with scores that can be mapped to usability levels.

MINIMUM ACTION

In progress 0/3

Practice this model in one real situation:

Check to track your progress (stored locally)
Learning progress0%
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Source support: Explicit

  • link
    en.wikipedia.orghttps://en.wikipedia.org/wiki/System_usability_scaleZH · Explicit
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