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| Criterion |  UX Research Customer Journey Mapping |  Operations Fault Tree Analysis |  Knowledge Modeling Concept Mapping |  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 critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | Concept Mapping arranges terms and relationships in a network that makes subject-matter connections tangible. It fits when a topic needs to be understood structurally rather than linearly. | 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 | High | Medium | Medium |
Timedifferent | 2-4 h | 2-6 h | 1-2 h | 2-4 h |
Participantsdifferent | 4-10 | 3-8 | 1-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Concept Map, Relationship Labels, Knowledge Gaps | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | JourneyServiceService design | RiskRoot causeSafety | KnowledgeConceptsMappingSensemaking | Root causeSafetyIncident |