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| Criterion |  Agile Starfish Retrospective |  Product Discovery Learning Card |  Agile 4Ls Retrospective |
|---|---|---|---|
Purposedifferent | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 |
Timedifferent | 45-90 min | 25-40 min | 45–75 min |
Participantsdifferent | 4-12 | 1-5 | Team members involved |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Learning Card with evidence and next action | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | ExperimentsValidationDiscoveryLearning | RetrospectiveLearningReflectionTeam |
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