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| Criterion |  Knowledge Modeling Teach-back |  DevOps Incident Timeline Analysis |  Knowledge Modeling Feynman Technique |  DevOps Blameless Postmortem |
|---|---|---|---|---|
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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 5-20 min | 60-180 min | 20-60 min | 30-90 min |
Participantsdifferent | 2-8 | 3-10 | 1 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Plain-language Explanation, Knowledge Gaps, Study Notes | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LearningUnderstandingCommunication | IncidentTimelineSite Reliability Engineering | LearningKnowledgeUnderstanding | Site Reliability EngineeringIncidentLearningReliability |