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| Criterion |  Growth A/B Testing |  Product Discovery Fake Door Test |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-5 Tage | 45-60 min |
Participantsdifferent | 1-6 | Nutzertraffic | 2-8 |
Formatdifferent | Async | Async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | Click Data, Interest Signal, Learning Decision | Assumption map, Test backlog, Risk ranking |
Tags2 shared | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandDiscovery | AssumptionsRiskExperimentsValidation |
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