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| Criterion |  UX Research Affinity Diagramming |  Operations Causal Factor Analysis |  UX Research Customer Journey Mapping |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. | 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 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 | Low | High | Medium | Medium |
Timedifferent | 45–90 min | 2-6 h | 2-4 h | 2-4 h |
Participantsdifferent | 3-10 | 3-10 | 4-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Journey Map, Pain-point List, Opportunity Backlog | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | SynthesisQualitativeRoot cause | CausalityIncidentRoot causeTimeline | JourneyServiceService design | Root causeSafetyIncident |