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| Criterion |  Knowledge Modeling Teach-back |  Delivery Communication Plan |  Operations Causal Factor Analysis |  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. | 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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 | Low | High | Medium |
Timedifferent | 5-20 min | 45-90 min | 2-6 h | 30-90 min |
Participantsdifferent | 2-8 | 2-6 | 3-10 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | Communication Plan, Channel Matrix, Message Cadence | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LearningUnderstandingCommunication | CommunicationStakeholdersDeliveryPlanning | CausalityIncidentRoot causeTimeline | Site Reliability EngineeringIncidentLearningReliability |