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| Criterion |  Systems Thinking CATWOE Analysis |  Agile Sprint Retrospective |  DevOps Blameless Postmortem |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. | 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 | Low | Medium | Low |
Timedifferent | 45-90 min | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 30-90 min | 45–75 min |
Participantsdifferent | 3-8 | Scrum Team | 3-12 | Team members involved |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Improvement actions, Team agreements | Postmortem Doc, Action Items, Timeline | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | Systems thinkingFramingStakeholders | RetrospectiveImprovementLearning | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveLearningReflectionTeam |