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| Criterion |  UX Design Service Blueprinting |  UX Research Affinity Diagramming |  Operations Root Cause Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | 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 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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 0.5-2 Tage | 45–90 min | 1-4 h | 30-60 min |
Participantsdifferent | 6-12 | 3-10 | 3-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Theme clusters, Insight statements, Opportunity areas | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | Service designOperationsJourneyBlueprint | SynthesisQualitativeRoot cause | Root causeProblem solvingQualityIncident | Root causeQualityOperations |