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| Criterion |  Innovation Lean Startup |  Growth A/B Testing |  Agile WSJF |  Product Discovery Smoke Test |
|---|---|---|---|---|
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 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 many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | 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. |
Complexitydifferent | Medium | High | High | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 1-4 Wochen | 45-90 min | 1-5 Tage |
Participantsdifferent | 2-8 | 1-6 | 3-10 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Experiment results, Decision log, Learning summary | Ranked Backlog, Cost-of-Delay Assumptions | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | LeanStartupValidationMVP | ExperimentsGrowthAnalyticsValidation | LeanEconomicsSequencePrioritization | ValidationExperimentsDemandGrowth |