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| Criterion |  Product Discovery Fake Door Test |  Growth Funnel Analysis |  Product Discovery MVP Test Matrix |  Product Discovery Smoke Test |
|---|---|---|---|---|
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 many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-5 Tage | 1-3 h | 45-75 min | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 1-5 | 2-8 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop | Async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Funnel report, Drop-off analysis, Optimization hypotheses | Test Matrix, Test Plan | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ValidationExperimentsDemandDiscovery | AnalyticsConversionGrowth | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandGrowth |