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| Criterion |  Knowledge Modeling Teach-back |  DevOps Blameless Postmortem |  Agile 4Ls Retrospective |  Knowledge Modeling Feynman Technique |
|---|---|---|---|---|
Purposedifferent | Teach-back checks whether an explanation actually got through to the other person. The method makes misunderstandings visible early and strengthens shared understanding in advisory and learning situations. | 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. | 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. | 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 | Low |
Timedifferent | 5-20 min | 30-90 min | 45–75 min | 20-60 min |
Participantsdifferent | 2-8 | 3-12 | Team members involved | 1 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | Postmortem Doc, Action Items, Timeline | 4Ls Board, Learning Themes, Improvement Actions | Plain-language Explanation, Knowledge Gaps, Study Notes |
Tags1 shared | LearningUnderstandingCommunication | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveLearningReflectionTeam | LearningKnowledgeUnderstanding |