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| Criterion |  Operations Fishbone Diagram |  UX Research First-click Testing |  Operations Root Cause Analysis |
|---|---|---|---|
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 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30-60 min | 1-2 Tage | 1-4 h |
Participantsdifferent | 2-8 | 10-30 | 3-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Click Heatmap, Success Rate, Design Recommendations | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | Root causeQualityOperations | UXNavigationFindabilityValidation | Root causeProblem solvingQualityIncident |
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