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| Criterion |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |  Facilitation Alignment Mapping |  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. | 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 several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 1-5 Tage | 1-5 Tage | 1-2 h | 25-40 min |
Participantsdifferent | Nutzertraffic | Nutzertraffic | 4-12 | 1-5 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision | Alignment Map, Open Issues, Decision Questions | Learning Card with evidence and next action |
Tagsno overlap | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery | AlignmentStakeholdersStrategyFacilitation | ExperimentsValidationDiscoveryLearning |