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| Criterion |  Operations After-Action Review |  Operations 8D Problem Solving |  Decision Making DACI |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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. | 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. |
Complexitydifferent | Low | High | Low | High |
Timedifferent | 20-45 min | 1-6 Wochen | 30-60 min | 2-6 h |
Participantsdifferent | 3-12 | 4-10 | 2-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | DACI Matrix, Decision Owner, Decision Log | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | LearningOperationsImprovement | QualityProblem solvingRoot cause | DecisionRolesGovernanceAlignment | RiskQualityOperationsRoot cause |