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| Criterion |  Operations Barrier Analysis |  Knowledge Modeling Peer Instruction |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | Peer Instruction uses group thinking to clarify difficult terms or concepts faster. The method combines individual reflection with social correction and shared precision. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2-4 h | 10-20 min je Frage | 30-90 min |
Participantsdifferent | 2-6 | 6-50 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Concept Questions, Vote Results, Learning Notes | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | Root causeSafetyIncident | LearningDialogueFacilitation | Site Reliability EngineeringIncidentLearningReliability |
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