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| Criterion |  Product Discovery Working Backwards |  Product Discovery MVP Test Matrix |  Product Discovery Fake Door Test |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 45-75 min | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-6 | 2-8 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async | Async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | VisionNarrativeAlignment | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth |