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| Criterion |  Facilitation Team Charter |  Team Design Spotify Model Mapping |  DevOps Blameless Postmortem |  Agile 4Ls Retrospective |
|---|---|---|---|---|
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. | 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. | 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 sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 2-4 h | 90-180 min | 30-90 min | 45–75 min |
Participantsdifferent | 3-12 | 5-15 | 3-12 | Team members involved |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Team Charter, Working Norms, Role Notes | Spotify Model Map, Action List | Postmortem Doc, Action Items, Timeline | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | TeamAlignmentCollaboration | TeamOrganizationAlignmentDiagnosis | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveLearningReflectionTeam |