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| Criterion |  UX Research Affinity Diagramming |  Facilitation Nominal Group Technique |  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. | 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. | 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 | Medium | High |
Timedifferent | 45–90 min | 60-120 min | 1-6 Wochen |
Participantsdifferent | 3-10 | 5-12 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Ranked Ideas, Clarified Options, Group Priority | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | SynthesisQualitativeRoot cause | FacilitationPrioritizationVotingInclusion | QualityProblem solvingRoot cause |
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