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| Criterion |  DevOps Blameless Postmortem |  Team Design Spotify Model 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 a team landscape has grown without clear grouping, it maps roles and relationships onto the Spotify model. It clarifies responsibility, interaction, and load between teams. The result is captured as a Spotify model map and action list. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 90-180 min | 2-4 h |
Participantsdifferent | 3-12 | 5-15 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Spotify Model Map, Action List | Team Charter, Working Norms, Role Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | TeamOrganizationAlignmentDiagnosis | TeamAlignmentCollaboration |
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