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| Criterion |  Agile Sprint Retrospective |  Operations After-Action Review |  Knowledge Modeling Feynman Technique |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | 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 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. | The Feynman Technique checks understanding by explaining a topic so that it stays easy for others to understand. It makes knowledge gaps visible before they become costly in everyday work. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 20-45 min | 20-60 min | 45–75 min |
Participantsdifferent | Scrum Team | 3-12 | 1 | Team members involved |
Formatdifferent | Workshop | Workshop + async | Async | Workshop |
Outputdifferent | Improvement actions, Team agreements | Lessons learned, Action items, Event summary | Plain-language Explanation, Knowledge Gaps, Study Notes | 4Ls Board, Learning Themes, Improvement Actions |
Tags1 shared | RetrospectiveImprovementLearning | LearningOperationsImprovement | LearningKnowledgeUnderstanding | RetrospectiveLearningReflectionTeam |