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| Criterion |  Product Discovery Smoke Test |  UX Research Usability Testing |  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. | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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 | Medium | Medium |
Timedifferent | 1-5 Tage | 1-2 h je Session | 1-5 Tage |
Participantsdifferent | Nutzertraffic | Based on research question | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Usability Issues, Severity List, Recommendations | Click Data, Interest Signal, Learning Decision |
Tags1 shared | ValidationExperimentsDemandGrowth | ValidationUXPrototype | ValidationExperimentsDemandDiscovery |
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