Framework
Nielsen's five dimensions of usability
Jakob Nielsen's five dimensions of usability: learnability, efficiency, memorability, errors and satisfaction. It is for designers, product teams and UX researchers deciding what a usability test should measure. Use it to pick the dimensions your tasks and metrics will cover. Koji can run AI-moderated research sessions and pull out the friction points across many of them.
Where this appears
What's in this framework
- Learnability: How easily new users get tasks done.
- Efficiency: How fast people work once they have learned the system.
- Memorability: How quickly people get their skill back after time away.
- Errors: How often people make mistakes, and how serious they are.
- Satisfaction: How pleasant the product feels to use.
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<a href="https://www.koji.so/visuals/nielsen-five-dimensions-of-usability"><img src="https://www.koji.so/visuals/nielsen-five-dimensions-of-usability/nielsen-five-dimensions-of-usability.png" alt="Framework of the five dimensions of usability defined by Jakob Nielsen: learnability, efficiency, memorability, errors and satisfaction." width="1080" height="1080" /></a>
<p>Source: <a href="https://www.koji.so/visuals/nielsen-five-dimensions-of-usability">Nielsen's five dimensions of usability</a>, Koji</p>
