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| Criterion |  Product Discovery Smoke Test |  Product Discovery Test Card |  Facilitation Alignment Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 1-5 Tage | 20-35 min | 1-2 h | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 1-5 | 4-12 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Test Card with a pre-set threshold | Alignment Map, Open Issues, Decision Questions | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryHypothesis | AlignmentStakeholdersStrategyFacilitation | ValidationExperimentsDemandDiscovery |