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| Criterion |  Decision Making DACI |  UX Research User Interviews |  Product Discovery Opportunity Interview |
|---|---|---|---|
Purposedifferent | 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. | 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 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30-60 min | 30–60 min per interview | 30-60 min je Interview |
Participantsdifferent | 2-10 | 1 participant per interview | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Interview Notes, Themes, Insight Summary | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | DecisionRolesGovernanceAlignment | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsOpportunityCustomer |
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