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| Criterion |  Architecture C4 Model |  Product Discovery Assumption Mapping |  Decision Making Assumption Surfacing |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 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 | Low | Medium |
Timedifferent | 1-4 h | 45-60 min | 45-90 min | 1-5 Tage |
Participantsdifferent | 1-5 | 2-8 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Assumption map, Test backlog, Risk ranking | Assumption List, Critical Assumptions, Learning Plan | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ArchitectureCommunicationVisualization | AssumptionsRiskExperimentsValidation | AssumptionsRiskDecisionDiscovery | ValidationExperimentsDemandDiscovery |