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| Criterion |  UX Research Affinity Diagramming |  Operations 8D Problem Solving |  Facilitation Nominal Group Technique |
|---|---|---|---|
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 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. | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 45–90 min | 1-6 Wochen | 60-120 min |
Participantsdifferent | 3-10 | 4-10 | 5-12 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | SynthesisQualitativeRoot cause | QualityProblem solvingRoot cause | FacilitationPrioritizationVotingInclusion |
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