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| Criterion |  UX Research User Interviews |  Facilitation Nominal Group Technique |  UX Research Affinity Diagramming |
|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 60-120 min | 45–90 min |
Participantsdifferent | 1 participant per interview | 5-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Ranked Ideas, Clarified Options, Group Priority | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | QualitativeResearchCustomerDiscovery | FacilitationPrioritizationVotingInclusion | SynthesisQualitativeRoot cause |
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