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| Criterion |  UX Research Usability Testing |  Operations Change Analysis |  UX Research Tree Testing |  UX Research First-click 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 h je Session | 45-120 min | 1-2 Tage | 1-2 Tage |
Participantsdifferent | Based on research question | 2-6 | Based on research question | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Findability Metrics, Path Analysis, Revised IA | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ValidationUXPrototype | ChangeRoot causeTroubleshootingComparison | Information architectureNavigationFindability | UXNavigationFindabilityValidation |