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| Criterion |  Team Design Spotify Model Mapping |  DevOps Blameless Postmortem |  Agile 4Ls Retrospective |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 90-180 min | 30-90 min | 45–75 min | 1-3 h |
Participantsdifferent | 5-15 | 3-12 | Team members involved | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Spotify Model Map, Action List | Postmortem Doc, Action Items, Timeline | 4Ls Board, Learning Themes, Improvement Actions | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | TeamOrganizationAlignmentDiagnosis | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveLearningReflectionTeam | LearningRetrospectiveIncidentOperations |