118 | Usability Testing |
An evaluative method to observe a user’s task-based experience with a digital applications
- Usability testing identifies frustrating and confusing parts of an interface so that they can be fixed and retested prior to launch.
- It typically employs Think-aloud Protocol, detecting problems by observing instances where the user:
- Understands the task but can’t complete it within a reasonable amount of time
- Understands the goal, but has to try different approaches to complete the task
- Gives up or resigns from the process
- Completes a task, but not the specified task
- Expresses surprise or delight
- Expresses frustration, confusion, or blames themselves for not being able to complete the task
- Asserts that something is wrong or doesn’t make sense
- Makes a suggestion for the interface or the flow of events
See alsoEvaluative Research • Stakeholder Walkthrough • Think-aloud Protocol
Usability tests with few participants can isolate enough problems to help teams confidently decide whether an interface needs to be revised or is ready for release.
Courtesy of John Welsh
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