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| Criterion |  UX Research First-click Testing |  Operations Root Cause Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 1-2 Tage | 1-4 h | 1-3 h |
Participantsdifferent | 10-30 | 3-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | UXNavigationFindabilityValidation | Root causeProblem solvingQualityIncident | Root causeTreeIncidentQuality |
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