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| Criterion |  Operations Learning Review |  Decision Making Constraint Analysis |  DevOps Blameless Postmortem |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | 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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 | 1-3 h | 30-90 min | 30-90 min | 45–75 min |
Participantsdifferent | 3-10 | 2-8 | 3-12 | Team members involved |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Postmortem Doc, Action Items, Timeline | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | LearningRetrospectiveIncidentOperations | ConstraintsDecisionPlanningOptions | Site Reliability EngineeringIncidentLearningReliability | RetrospectiveLearningReflectionTeam |