Usability Testing
Definition
Usability tests show how people perform real tasks with a product.
An empirical examination in which representative people perform defined tasks with a product and are observed.
Simply explained
People try typical tasks with an application. The team observes where they succeed, hesitate, or need help.
Why it matters in practice
The term helps to make digital offerings understandable, accessible, and aligned with users' needs.
Example from business
Five to eight employees perform real ordering tasks; errors, time, and questions are evaluated.
Limits and pitfalls
- Convenient samples, suggestive moderation, and artificial tasks limit transferability; small tests do not provide population quotas.
Origin & history
Usability tests originated from Human Factors and Human-Computer Interaction and became a core method of user-centered design.
Use in mid-sized companies
- Possible example: Five to eight employees perform real ordering tasks; errors, time, and questions are evaluated.
Frequently asked questions
What does usability test mean?
An empirical examination in which representative people perform defined tasks with a product and are observed. What should you watch out for? Convenient samples, suggestive moderation, and artificial tasks limit transferability; small tests do not provide population quotas.
Sources
- ISO 9241-11 overview · ISO 9241-11 overview
Source checked on 10.10.2026. Editorial application examples are hypothetical; no evidence of real customer results.
Editorially reviewed on: