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| Criterion |  Product Discovery Smoke Test |  Operations Barrier Analysis |  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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 | 2-4 h | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 2-6 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationExperimentsDemandGrowth | Root causeSafetyIncident | ValidationExperimentsDemandDiscovery |
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