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| Criterion |  UX Research User Interviews |  Architecture Architecture Decision Record |  Decision Making Decision Rights Mapping |
|---|---|---|---|
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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30–60 min per interview | 15-45 min | 90-180 min |
Participantsdifferent | 1 participant per interview | 1-3 | 4-12 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | ADR File, Decision Log, Rationale | Decision Rights Matrix, Agreement |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureRationaleDocumentationGovernance | DecisionGovernanceAlignmentResponsibility |
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