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| Criterion |  Operations 8D Problem Solving |  Operations Fishbone Diagram |  Decision Making DACI |  Operations RACI Matrix |
|---|---|---|---|---|
Purposedifferent | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-6 Wochen | 30-60 min | 30-60 min | 45-90 min |
Participantsdifferent | 4-10 | 2-8 | 2-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog | DACI Matrix, Decision Owner, Decision Log | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | QualityProblem solvingRoot cause | Root causeQualityOperations | DecisionRolesGovernanceAlignment | RolesResponsibilityGovernanceOperations |