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| Criterion |  Product Discovery Smoke Test |  Growth A/B Testing |  Agile Start Stop Continue |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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 team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | 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. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 1-5 Tage | 1-4 Wochen | 30-60 min | 45–75 min |
Participantsdifferent | Nutzertraffic | 1-6 | 3-12 | Team members involved |
Formatdifferent | Async | Async | Workshop | Workshop |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Experiment results, Decision log, Learning summary | Start Stop Continue Board, Improvement Actions | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | ValidationExperimentsDemandGrowth | ExperimentsGrowthAnalyticsValidation | RetrospectiveImprovementTeamReflection | RetrospectiveLearningReflectionTeam |