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| Criterion |  Decision Making Assumption Surfacing |  Knowledge Modeling Concept 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. | 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. | 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 |
Timedifferent | 45-90 min | 1-2 h | 1-5 Tage |
Participantsdifferent | 2-8 | 1-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Concept Map, Relationship Labels, Knowledge Gaps | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | KnowledgeConceptsMappingSensemaking | ValidationExperimentsDemandDiscovery |
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