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| Criterion |  UX Research User Interviews |  Operations Change Analysis |  UX Research Affinity Diagramming |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30–60 min per interview | 45-120 min | 45–90 min | 15-45 min |
Participantsdifferent | 1 participant per interview | 2-6 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Theme clusters, Insight statements, Opportunity areas | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ChangeRoot causeTroubleshootingComparison | SynthesisQualitativeRoot cause | ComparisonFacilitationAlignment |