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| Criterion |  UX Research Empathy Mapping |  UX Design Service Blueprinting |  Operations Fishbone Diagram |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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. | 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. | 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 | High | Low | High |
Timedifferent | 30–60 min | 0.5-2 Tage | 30-60 min | 2-6 h |
Participantsdifferent | 4-8 | 6-12 | 2-8 | 3-10 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Service Blueprint, Fail Points, Ownership Map | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | SynthesisQualitativeWorkshop | Service designOperationsJourneyBlueprint | Root causeQualityOperations | RiskQualityOperationsRoot cause |