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| Criterion |  Decision Making DACI |  Operations Fishbone Diagram |  Decision Making Decision Rights Mapping |  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 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 organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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 | 30-60 min | 90-180 min | 2-8 h |
Participantsdifferent | 2-10 | 2-8 | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Fishbone Diagram, Cause Categories, Investigation Backlog | Decision Rights Matrix, Agreement | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | DecisionRolesGovernanceAlignment | Root causeQualityOperations | DecisionGovernanceAlignmentResponsibility | Problem solvingRoot causeDecisionOperations |