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| Criterion |  UX Research User Interviews |  Decision Making Trade-off Analysis |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | 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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30–60 min per interview | 45-120 min | 30-60 min | 45-90 min |
Participantsdifferent | 1 participant per interview | 2-8 | 2-10 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | QualitativeResearchCustomerDiscovery | TradeoffsDecisionCriteriaOptions | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |