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| Criterion |  Operations Barrier Analysis |  Operations MORT Analysis |  UX Design Customer Journey Canvas |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 2-4 h | Mehrere Tage bis Wochen | 1-3 h | 15-30 min |
Participantsdifferent | 2-6 | 2-6 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Customer Journey Canvas, Pain Points, Experience Opportunities | Root cause notes, Countermeasures |
Tagsno overlap | Root causeSafetyIncident | Root causeSafetySystemicIncident | JourneyCustomerService designCanvas | Root causeIncidentLeanProblem solving |