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| Criterion |  DevOps Blameless Postmortem |  Delivery Communication Plan |  Knowledge Modeling Teach-back |  Knowledge Modeling Feynman Technique |
|---|---|---|---|---|
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. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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. | 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 | Medium | Low | Low | Low |
Timedifferent | 30-90 min | 45-90 min | 5-20 min | 20-60 min |
Participantsdifferent | 3-12 | 2-6 | 2-8 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Communication Plan, Channel Matrix, Message Cadence | Understanding Check, Clarification Notes, Learning Gaps | Plain-language Explanation, Knowledge Gaps, Study Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | CommunicationStakeholdersDeliveryPlanning | LearningUnderstandingCommunication | LearningKnowledgeUnderstanding |