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| Criterion |  Decision Making DACI |  UX Research Affinity Diagramming |  Decision Making RAPID |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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 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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 30-60 min | 45–90 min | 45-90 min | 2-8 h |
Participantsdifferent | 2-10 | 3-10 | 3-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Theme clusters, Insight statements, Opportunity areas | RAPID Role Map, Recommendation, Decision Log | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | DecisionRolesGovernanceAlignment | SynthesisQualitativeRoot cause | DecisionRolesGovernance | Problem solvingRoot causeDecisionOperations |