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| Criterion |  Product Discovery Fake Door Test |  Product Discovery Smoke Test |  Product Discovery Test Card |
|---|---|---|---|
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. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-5 Tage | 1-5 Tage | 20-35 min |
Participantsdifferent | Nutzertraffic | Nutzertraffic | 1-5 |
Formatdifferent | Async | Async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note | Test Card with a pre-set threshold |
Tags2 shared | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryHypothesis |
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