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| Criterion |  Product Discovery Smoke Test |  Product Discovery Pretotyping |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1-5 Tage | Stunden bis wenige Tage | 1-5 Tage | 25-40 min |
Participantsdifferent | Nutzertraffic | 1-4 | Nutzertraffic | 1-5 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tags1 shared | ValidationExperimentsDemandGrowth | ValidationDemandMVP | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |