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| Criterion |  Knowledge Modeling Concept Mapping |  Architecture C4 Model |  Product Discovery Smoke Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | Concept Mapping arranges terms and relationships in a network that makes subject-matter connections tangible. It fits when a topic needs to be understood structurally rather than linearly. | 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 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 | 1-2 h | 1-4 h | 1-5 Tage | 1-5 Tage |
Participantsdifferent | 1-8 | 1-5 | Nutzertraffic | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Concept Map, Relationship Labels, Knowledge Gaps | Context Diagram, Container Diagram, Component Diagram | Interest Metrics, Conversion Signal, Learning Note | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | KnowledgeConceptsMappingSensemaking | ArchitectureCommunicationVisualization | ValidationExperimentsDemandGrowth | ValidationExperimentsDemandDiscovery |