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| Criterion |  Product Discovery Working Backwards |  Product Discovery Smoke Test |  Growth A/B Testing |  Product Discovery Fake Door 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 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 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 4-8 h, mehrere Iterationen | 1-5 Tage | 1-4 Wochen | 1-5 Tage |
Participantsdifferent | 2-6 | Nutzertraffic | 1-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Interest Metrics, Conversion Signal, Learning Note | Experiment results, Decision log, Learning summary | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | VisionNarrativeAlignment | ValidationExperimentsDemandGrowth | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandDiscovery |