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| Criterion |  UX Research Usability Testing |  Product Discovery Wizard of Oz Test |  UX Research Tree Testing |
|---|---|---|---|
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 new experience would still be too expensive to automate for real, it simulates the outcome behind the scenes. It checks user reaction and value before the technology disappears. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 1-2 h je Session | 2-10 Tage | 1-2 Tage |
Participantsdifferent | Based on research question | 5-20 Nutzer | Based on research question |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Prototype Learnings, Manual Effort Notes, Risk List | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | ValidationUXPrototype | PrototypeValidationMVP | Information architectureNavigationFindability |
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