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| Criterion |  UX Research Affinity Diagramming |  Operations Kepner-Tregoe |  UX Research Empathy Mapping |  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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. | 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 | Low | High |
Timedifferent | 45–90 min | 2-8 h | 30–60 min | 1-6 Wochen |
Participantsdifferent | 3-10 | 2-8 | 4-8 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Problem Analysis, Decision Analysis, Risk Plan | Empathy Map, Assumptions List, Research Gaps | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | SynthesisQualitativeRoot cause | Problem solvingRoot causeDecisionOperations | SynthesisQualitativeWorkshop | QualityProblem solvingRoot cause |