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| Criterion |  Engineering Kanban |  Agile 4Ls Retrospective |  Operations After-Action Review |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | When work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | 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 missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 | Low | Low | Medium |
Timedifferent | Ongoing | 45–75 min | 20-45 min | 1-3 h |
Participantsdifferent | 2-12 | Team members involved | 3-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Kanban board, WIP policies, Flow metrics | 4Ls Board, Learning Themes, Improvement Actions | Lessons learned, Action items, Event summary | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | FlowVisual managementDelivery | RetrospectiveLearningReflectionTeam | LearningOperationsImprovement | LearningRetrospectiveIncidentOperations |