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| Criterion |  DevOps Blameless Postmortem |  Systems Thinking System Dynamics Simulation |  Operations After-Action Review |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | System Dynamics Simulation makes assumptions about time, delay, and feedback testable through experiments. It draws relationships, patterns, and feedback loops. The result is captured as a simulation model and scenario reports. | 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 | Medium | High | Low | Medium |
Timedifferent | 30-90 min | Mehrere Tage bis Wochen | 20-45 min | 1-3 h |
Participantsdifferent | 3-12 | 1-5 Modellierende, Stakeholder asynchron | 3-12 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Simulation Model, Scenario Reports | Lessons learned, Action items, Event summary | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Systems thinkingDynamicsSimulationAnalysis | LearningOperationsImprovement | LearningRetrospectiveIncidentOperations |