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| Criterion |  UX Research User Interviews |  Decision Making Decision Matrix |  Decision Making DACI |
|---|---|---|---|
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 several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 45-90 min | 30-60 min |
Participantsdifferent | 1 participant per interview | 2-8 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Decision Matrix, Scoring Rationale, Selected Option | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DecisionCriteriaScoringTradeoffs | DecisionRolesGovernanceAlignment |
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