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| Criterion |  Operations Causal Factor Analysis |  Operations Barrier Analysis |  UX Research Customer Journey Mapping |
|---|---|---|---|
Purposedifferent | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 2-6 h | 2-4 h | 2-4 h |
Participantsdifferent | 3-10 | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Journey Map, Pain-point List, Opportunity Backlog |
Tagsno overlap | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident | JourneyServiceService design |
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