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| Criterion |  UX Research Tree Testing |  Operations 8D Problem Solving |
|---|---|---|
Purposedifferent | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | High |
Timedifferent | 1-2 Tage | 1-6 Wochen |
Participantsdifferent | Based on research question | 4-10 |
Formatdifferent | Async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Information architectureNavigationFindability | QualityProblem solvingRoot cause |
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