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| Criterion |  Decision Making RAPID |  Decision Making DACI |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 45-90 min | 30-60 min | 2-8 h | 15-30 min |
Participantsdifferent | 3-12 | 2-10 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | DACI Matrix, Decision Owner, Decision Log | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | DecisionRolesGovernance | DecisionRolesGovernanceAlignment | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |