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| Criterion |  Decision Making DACI |  Operations Failure Mode and Effects Analysis |  Operations RACI Matrix |  Operations Fishbone Diagram |
|---|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 30-60 min | 2-6 h | 45-90 min | 30-60 min |
Participantsdifferent | 2-10 | 3-10 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | FMEA Table, Risk Priority, Mitigation Actions | RACI Matrix, Responsibility Map, Decision Notes | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | DecisionRolesGovernanceAlignment | RiskQualityOperationsRoot cause | RolesResponsibilityGovernanceOperations | Root causeQualityOperations |