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| Criterion |  Architecture Architecture Decision Record |  Product Discovery Opportunity Interview |  UX Research Empathy Mapping |
|---|---|---|---|
Purposedifferent | 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 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 a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 15-45 min | 30-60 min je Interview | 30–60 min |
Participantsdifferent | 1-3 | 5-12 Interviews | 4-8 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Interview Notes, Opportunity Themes, Customer Quotes | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | DiscoveryInterviewsOpportunityCustomer | SynthesisQualitativeWorkshop |
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