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| Criterion |  UX Research First-click Testing |  Operations Barrier Analysis |  Operations Root Cause Analysis |  Operations MORT 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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 1-2 Tage | 2-4 h | 1-4 h | Mehrere Tage bis Wochen |
Participantsdifferent | 10-30 | 2-6 | 3-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | UXNavigationFindabilityValidation | Root causeSafetyIncident | Root causeProblem solvingQualityIncident | Root causeSafetySystemicIncident |