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| Criterion |  Product Discovery Opportunity Interview |  UX Research User Interviews |  Architecture Architecture Decision Record |  Product Discovery Opportunity Solution Tree |
|---|---|---|---|---|
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 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. | 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. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 30-60 min je Interview | 30–60 min per interview | 15-45 min | 1-2 h Setup, laufend |
Participantsdifferent | 5-12 Interviews | 1 participant per interview | 1-3 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Interview Notes, Themes, Insight Summary | ADR File, Decision Log, Rationale | Opportunity Solution Tree, Experiment Backlog, Learning Log |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | QualitativeResearchCustomerDiscovery | ArchitectureRationaleDocumentationGovernance | DiscoveryOutcomesExperimentsOpportunity |