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| Criterion |  Product Discovery Learning Card |  Agile 4Ls Retrospective |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitysame | Low | Low | Low |
Timedifferent | 25-40 min | 45–75 min | 20-35 min |
Participantsdifferent | 1-5 | Team members involved | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Learning Card with evidence and next action | 4Ls Board, Learning Themes, Improvement Actions | Test Card with a pre-set threshold |
Tagsno overlap | ExperimentsValidationDiscoveryLearning | RetrospectiveLearningReflectionTeam | ExperimentsValidationDiscoveryHypothesis |
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