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| Criterion |  Decision Making DACI |  Operations Root Cause Analysis |  Operations RACI Matrix |  Operations 8D Problem Solving |
|---|---|---|---|---|
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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 30-60 min | 1-4 h | 45-90 min | 1-6 Wochen |
Participantsdifferent | 2-10 | 3-8 | 2-8 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | RACI Matrix, Responsibility Map, Decision Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | DecisionRolesGovernanceAlignment | Root causeProblem solvingQualityIncident | RolesResponsibilityGovernanceOperations | QualityProblem solvingRoot cause |