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| Criterion |  Decision Making Pre-Mortem |  DevOps Incident Command |  Operations After-Action Review |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 20–45 min | As needed | 20-45 min | 1-3 h |
Participantsdifferent | Small cross-functional group | 4-15 | 3-12 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Incident Log, Action Tracker, Stakeholder Updates | Lessons learned, Action items, Event summary | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | RiskDecisionFailurePlanning | IncidentOperationsReliability | LearningOperationsImprovement | LearningRetrospectiveIncidentOperations |