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| Criterion |  UX Research User Interviews |  Architecture Architecture Decision Record |  Product Discovery Hypothesis Prioritization Canvas |
|---|---|---|---|
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. | 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 many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30–60 min per interview | 15-45 min | 60-90 min |
Participantsdifferent | 1 participant per interview | 1-3 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | ADR File, Decision Log, Rationale | Prioritization Canvas, Hypothesis Backlog |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureRationaleDocumentationGovernance | ExperimentsPrioritizationDiscoveryHypothesis |
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