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| Criterion |  UX Research Affinity Diagramming |  Product Discovery Opportunity Interview |  Architecture Architecture Decision Record |
|---|---|---|---|
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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 45–90 min | 30-60 min je Interview | 15-45 min |
Participantsdifferent | 3-10 | 5-12 Interviews | 1-3 |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Interview Notes, Opportunity Themes, Customer Quotes | ADR File, Decision Log, Rationale |
Tagsno overlap | SynthesisQualitativeRoot cause | DiscoveryInterviewsOpportunityCustomer | ArchitectureRationaleDocumentationGovernance |
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