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| Criterion |  Operations Change Analysis |  UX Research Tree Testing |  UX Research Usability Testing |
|---|---|---|---|
Purposedifferent | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 45-120 min | 1-2 Tage | 1-2 h je Session |
Participantsdifferent | 2-6 | Based on research question | Based on research question |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Findability Metrics, Path Analysis, Revised IA | Usability Issues, Severity List, Recommendations |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Information architectureNavigationFindability | ValidationUXPrototype |
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