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| Criterion |  UX Research Customer Journey Mapping |  Operations Root Cause Tree Analysis |  Operations MORT Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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. | 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. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 2-4 h | 1-3 h | Mehrere Tage bis Wochen | 2-4 h |
Participantsdifferent | 4-10 | 2-8 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Cause Tree, Evidence Notes, Countermeasures | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | JourneyServiceService design | Root causeTreeIncidentQuality | Root causeSafetySystemicIncident | Root causeSafetyIncident |