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| Criterion |  Knowledge Modeling Feynman Technique |  Decision Making Decision Tree |  Product Discovery MVP Test Matrix |  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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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 | 20-60 min | 30-90 min | 45-75 min | 1-5 Tage |
Participantsdifferent | 1 | 1-6 | 2-8 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | Plain-language Explanation, Knowledge Gaps, Study Notes | Decision Tree, Option Map, Assumption List | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | LearningKnowledgeUnderstanding | DecisionTreeOptions | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery |