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| Criterion |  Decision Making RAPID |  UX Research Affinity Diagramming |  UX Research User Interviews |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 45-90 min | 45–90 min | 30–60 min per interview | 30-60 min |
Participantsdifferent | 3-12 | 3-10 | 1 participant per interview | 2-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | Theme clusters, Insight statements, Opportunity areas | Interview Notes, Themes, Insight Summary | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | DecisionRolesGovernance | SynthesisQualitativeRoot cause | QualitativeResearchCustomerDiscovery | DecisionRolesGovernanceAlignment |