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| Criterion |  Product Discovery Assumption Mapping |  UX Design Customer Journey Canvas |  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. | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | 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 | Medium | Low | Medium |
Timedifferent | 45-60 min | 1-3 h | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 2-8 | 3-10 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async | Async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Customer Journey Canvas, Pain Points, Experience Opportunities | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AssumptionsRiskExperimentsValidation | JourneyCustomerService designCanvas | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |