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| Criterion |  Operations After-Action Review |  Knowledge Modeling Feynman Technique |  DevOps Game Day |  DevOps Incident Command |
|---|---|---|---|---|
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. | The Feynman Technique checks understanding by explaining a topic so that it stays easy for others to understand. It makes knowledge gaps visible before they become costly in everyday work. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 20-45 min | 20-60 min | Halber Tag | As needed |
Participantsdifferent | 3-12 | 1 | 5-20 | 4-15 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Plain-language Explanation, Knowledge Gaps, Study Notes | Simulation Notes, Gaps List, Updated Runbooks | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | LearningOperationsImprovement | LearningKnowledgeUnderstanding | ResilienceOperationsIncident | IncidentOperationsReliability |