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| Criterion |  Decision Making Assumption Surfacing |  UX Design Customer Journey Canvas |  Product Discovery Assumption Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 45-90 min | 1-3 h | 45-60 min | 1-5 Tage |
Participantsdifferent | 2-8 | 3-10 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Customer Journey Canvas, Pain Points, Experience Opportunities | Assumption map, Test backlog, Risk ranking | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | JourneyCustomerService designCanvas | AssumptionsRiskExperimentsValidation | ValidationExperimentsDemandDiscovery |