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| Criterion |  DevOps Blameless Postmortem |  Systems Thinking System Dynamics Simulation |  Agile 4Ls Retrospective |  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. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | 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 | 45–75 min | 1-3 h |
Participantsdifferent | 3-12 | 1-5 Modellierende, Stakeholder asynchron | Team members involved | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Simulation Model, Scenario Reports | 4Ls Board, Learning Themes, Improvement Actions | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Systems thinkingDynamicsSimulationAnalysis | RetrospectiveLearningReflectionTeam | LearningRetrospectiveIncidentOperations |