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| Criterion |  Operations Fishbone Diagram |  Decision Making RAPID |  Decision Making DACI |
|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-60 min | 45-90 min | 30-60 min |
Participantsdifferent | 2-8 | 3-12 | 2-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | RAPID Role Map, Recommendation, Decision Log | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Root causeQualityOperations | DecisionRolesGovernance | DecisionRolesGovernanceAlignment |
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