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| Criterion |  Operations Fishbone Diagram |  UX Research Tree Testing |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30-60 min | 1-2 Tage | 2-8 h |
Participantsdifferent | 2-8 | Based on research question | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Findability Metrics, Path Analysis, Revised IA | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Root causeQualityOperations | Information architectureNavigationFindability | Problem solvingRoot causeDecisionOperations |
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