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| Criterion |  Product Discovery Fake Door Test |  Operations RACI Matrix |  Product Discovery Learning Card |  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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | Low | Low |
Timedifferent | 1-5 Tage | 45-90 min | 25-40 min | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 2-8 | 1-5 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | RACI Matrix, Responsibility Map, Decision Notes | Learning Card with evidence and next action | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ValidationExperimentsDemandDiscovery | RolesResponsibilityGovernanceOperations | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandGrowth |