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| Criterion |  Product Discovery Assumption Mapping |  Architecture arc42 |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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 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 | Medium | Low | Low | Medium |
Timedifferent | 45-60 min | 1-2 Tage | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-8 | 1-4 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Architecture Document, Context View, Runtime View, Deployment View | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AssumptionsRiskExperimentsValidation | ArchitectureDocumentationCommunication | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |