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| Criterion |  Facilitation Team Charter |  Operations After-Action Review |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | When a team is starting fresh or working past each other, Team Charter clarifies the shared working basis. It visibly sets out how collaboration, decision paths, and mutual conduct should work day to day. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 | Medium | Low | Medium |
Timedifferent | 2-4 h | 20-45 min | 30-90 min |
Participantssame | 3-12 | 3-12 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Team Charter, Working Norms, Role Notes | Lessons learned, Action items, Event summary | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | TeamAlignmentCollaboration | LearningOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability |
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