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| Criterion |  Knowledge Modeling Teach-back |  DevOps Blameless Postmortem |  Delivery Communication Plan |
|---|---|---|---|
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 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 5-20 min | 30-90 min | 45-90 min |
Participantsdifferent | 2-8 | 3-12 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | Postmortem Doc, Action Items, Timeline | Communication Plan, Channel Matrix, Message Cadence |
Tagsno overlap | LearningUnderstandingCommunication | Site Reliability EngineeringIncidentLearningReliability | CommunicationStakeholdersDeliveryPlanning |
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