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| Criterion |  DevOps Blameless Postmortem |  Facilitation Expectation Mapping |  Facilitation Team Charter |
|---|---|---|---|
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. | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-90 min | 45-90 min | 2-4 h |
Participantssame | 3-12 | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Expectation Map, Alignment Notes, Agreements | Team Charter, Working Norms, Role Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | AlignmentStakeholdersTeam | TeamAlignmentCollaboration |
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