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| Criterion |  UX Research User Interviews |  Decision Making Risk Matrix |  Architecture Architecture Decision Record |
|---|---|---|---|
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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 30–60 min per interview | 30-60 min | 15-45 min |
Participantsdifferent | 1 participant per interview | 3-10 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Risk Matrix, Top Risk List | ADR File, Decision Log, Rationale |
Tagsno overlap | QualitativeResearchCustomerDiscovery | RiskDecisionPrioritizationAssessment | ArchitectureRationaleDocumentationGovernance |
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