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| Criterion |  Product Discovery Opportunity Interview |  UX Research Affinity Diagramming |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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 a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-60 min je Interview | 45–90 min | 1-3 h |
Participantsdifferent | 5-12 Interviews | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Theme clusters, Insight statements, Opportunity areas | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | SynthesisQualitativeRoot cause | Root causeTreeIncidentQuality |
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