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| Criterion |  Operations Barrier Analysis |  Product Discovery Assumption Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2-4 h | 45-60 min | 1-5 Tage |
Participantsdifferent | 2-6 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Assumption map, Test backlog, Risk ranking | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Root causeSafetyIncident | AssumptionsRiskExperimentsValidation | ValidationExperimentsDemandDiscovery |
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