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| Criterion |  Product Discovery Fake Door Test |  Decision Making Assumption Surfacing |  Product Discovery Smoke Test |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 1-5 Tage | 45-90 min | 1-5 Tage | 1-4 Wochen |
Participantsdifferent | Nutzertraffic | 2-8 | Nutzertraffic | 1-6 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Assumption List, Critical Assumptions, Learning Plan | Interest Metrics, Conversion Signal, Learning Note | Experiment results, Decision log, Learning summary |
Tagsno overlap | ValidationExperimentsDemandDiscovery | AssumptionsRiskDecisionDiscovery | ValidationExperimentsDemandGrowth | ExperimentsGrowthAnalyticsValidation |