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| Criterion |  Agile 4Ls Retrospective |  Knowledge Modeling Feynman Technique |  Agile Sprint Retrospective |  Agile Starfish Retrospective |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 45–75 min | 20-60 min | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 45-90 min |
Participantsdifferent | Team members involved | 1 | Scrum Team | 4-12 |
Formatdifferent | Workshop | Async | Workshop | Workshop |
Outputdifferent | 4Ls Board, Learning Themes, Improvement Actions | Plain-language Explanation, Knowledge Gaps, Study Notes | Improvement actions, Team agreements | Starfish Board, Practice Changes, Experiments |
Tagsno overlap | RetrospectiveLearningReflectionTeam | LearningKnowledgeUnderstanding | RetrospectiveImprovementLearning | RetrospectiveImprovementExperimentsTeam |