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| Criterion |  Product Discovery Fake Door Test |  Product Discovery Learning Card |  Knowledge Modeling Peer Instruction |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | Peer Instruction uses group thinking to clarify difficult terms or concepts faster. The method combines individual reflection with social correction and shared precision. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-5 Tage | 25-40 min | 10-20 min je Frage | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 1-5 | 6-50 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action | Concept Questions, Vote Results, Learning Notes | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning | LearningDialogueFacilitation | ValidationExperimentsDemandGrowth |