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| Criterion |  Knowledge Modeling Feynman Technique |  Knowledge Modeling Knowledge Mapping |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | The Feynman Technique checks understanding by explaining a topic so that it stays easy for others to understand. It makes knowledge gaps visible before they become costly in everyday work. | Knowledge Mapping makes knowledge, gaps, and transfer paths visible across a field. It fits when expertise should not just exist but also be findable and transferable. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | 20-60 min | 1-3 h | 25-40 min | 1-5 Tage |
Participantsdifferent | 1 | 3-12 | 1-5 | Nutzertraffic |
Formatdifferent | Async | Workshop | Workshop + async | Async |
Outputdifferent | Plain-language Explanation, Knowledge Gaps, Study Notes | Knowledge Map, Critical Knowledge Areas, Transfer Plan | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | LearningKnowledgeUnderstanding | KnowledgeMappingRisk | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |