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| Criterion |  UX Research Affinity Diagramming |  Operations Fishbone Diagram |  UX Design Service Blueprinting |  Operations Failure Mode and Effects 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Low | High | High |
Timedifferent | 45–90 min | 30-60 min | 0.5-2 Tage | 2-6 h |
Participantsdifferent | 3-10 | 2-8 | 6-12 | 3-10 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Fishbone Diagram, Cause Categories, Investigation Backlog | Service Blueprint, Fail Points, Ownership Map | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | SynthesisQualitativeRoot cause | Root causeQualityOperations | Service designOperationsJourneyBlueprint | RiskQualityOperationsRoot cause |