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| Criterion |  Knowledge Modeling Feynman Technique |  Product Discovery Opportunity Solution Tree |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
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. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 20-60 min | 1-2 h Setup, laufend | 30-60 min | 20-35 min |
Participantsdifferent | 1 | 2-6 | 1-5 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Plain-language Explanation, Knowledge Gaps, Study Notes | Opportunity Solution Tree, Experiment Backlog, Learning Log | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | LearningKnowledgeUnderstanding | DiscoveryOutcomesExperimentsOpportunity | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |