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| Criterion |  UX Research Usability Testing |  UX Research Tree Testing |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-2 h je Session | 1-2 Tage | 20-35 min |
Participantsdifferent | Based on research question | Based on research question | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Findability Metrics, Path Analysis, Revised IA | Test Card with a pre-set threshold |
Tagsno overlap | ValidationUXPrototype | Information architectureNavigationFindability | ExperimentsValidationDiscoveryHypothesis |
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