Internship← UI/UX Design learning pathUI/UX Design · Module 8 of 10
Usability testing
Watch real users and improve designs.
📖 Key ideas
- Give users realistic tasks and observe.
- Think-aloud protocol reveals reasoning.
- Measure task success, time and errors.
- Prioritise issues by severity.
- Iterate design and test again.
💡 Real-life example: Usability testing is watching guests use your new kitchen to see where they bump into things.
Usability testObserving users doing tasks
Think-aloudUsers speak thoughts aloud
Task success rateShare of users completing tasks
IterationRepeated improvement