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| Criterion |  Operations After-Action Review |  DevOps Incident Command |  Operations Gemba Walk |
|---|---|---|---|
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. | 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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 20-45 min | As needed | 30-120 min |
Participantsdifferent | 3-12 | 4-15 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Incident Log, Action Tracker, Stakeholder Updates | Observation Notes, Improvement Ideas |
Tags1 shared | LearningOperationsImprovement | IncidentOperationsReliability | LeanObservationProcessOperations |
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