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| Criterion |  Product Discovery Working Backwards |  Growth A/B Testing |  Product Discovery Fake Door Test |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | 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 | Medium | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 1-4 Wochen | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-6 | 1-6 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Experiment results, Decision log, Learning summary | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | VisionNarrativeAlignment | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth |