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| Criterion |  Growth A/B Testing |  Agile 4Ls Retrospective |  Agile Start Stop Continue |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 45–75 min | 30-60 min | 25-40 min |
Participantsdifferent | 1-6 | Team members involved | 3-12 | 1-5 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | 4Ls Board, Learning Themes, Improvement Actions | Start Stop Continue Board, Improvement Actions | Learning Card with evidence and next action |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | RetrospectiveLearningReflectionTeam | RetrospectiveImprovementTeamReflection | ExperimentsValidationDiscoveryLearning |