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| Criterion |  Agile 4Ls Retrospective |  DevOps Blameless Postmortem |  Knowledge Modeling Feynman Technique |
|---|---|---|---|
Purposedifferent | 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 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. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 45–75 min | 30-90 min | 20-60 min |
Participantsdifferent | Team members involved | 3-12 | 1 |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | 4Ls Board, Learning Themes, Improvement Actions | Postmortem Doc, Action Items, Timeline | Plain-language Explanation, Knowledge Gaps, Study Notes |
Tags1 shared | RetrospectiveLearningReflectionTeam | Site Reliability EngineeringIncidentLearningReliability | LearningKnowledgeUnderstanding |
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