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| Criterion |  DevOps Blameless Postmortem |  Knowledge Modeling Teach-back |
|---|---|---|
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. | 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. |
Complexitydifferent | Medium | Low |
Timedifferent | 30-90 min | 5-20 min |
Participantsdifferent | 3-12 | 2-8 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Understanding Check, Clarification Notes, Learning Gaps |
Tags1 shared | Site Reliability EngineeringIncidentLearningReliability | LearningUnderstandingCommunication |
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