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| Criterion |  Innovation Lean Startup |  Product Discovery Smoke Test |  Product Discovery Learning Card |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-5 Tage | 25-40 min | 1-4 Wochen |
Participantsdifferent | 2-8 | Nutzertraffic | 1-5 | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Interest Metrics, Conversion Signal, Learning Note | Learning Card with evidence and next action | Experiment results, Decision log, Learning summary |
Tags1 shared | LeanStartupValidationMVP | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryLearning | ExperimentsGrowthAnalyticsValidation |