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| Criterion |  UX Research User Interviews |  Decision Making DACI |  Decision Making Trade-off Analysis |  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. | 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. | 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 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 | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 30-60 min | 45-120 min | 45-90 min |
Participantsdifferent | 1 participant per interview | 2-10 | 2-8 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | DACI Matrix, Decision Owner, Decision Log | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DecisionRolesGovernanceAlignment | TradeoffsDecisionCriteriaOptions | DecisionRolesGovernance |