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Selected:Affinity DiagrammingFailure Mode and Effects AnalysisService Blueprinting8D Problem Solving
| Criterion |  UX Research Affinity Diagramming |  Operations Failure Mode and Effects Analysis |  UX Design Service Blueprinting |  Operations 8D Problem Solving |
|---|---|---|---|---|
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 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. | 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Low | High | High | High |
Timedifferent | 45–90 min | 2-6 h | 0.5-2 Tage | 1-6 Wochen |
Participantsdifferent | 3-10 | 3-10 | 6-12 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | FMEA Table, Risk Priority, Mitigation Actions | Service Blueprint, Fail Points, Ownership Map | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | SynthesisQualitativeRoot cause | RiskQualityOperationsRoot cause | Service designOperationsJourneyBlueprint | QualityProblem solvingRoot cause |