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| Criterion |  Product Discovery Fake Door Test |  Product Strategy KPI Tree |  Product Discovery Test Card |
|---|---|---|---|
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. | When metrics across the organization drift apart, it arranges drivers and effects under one shared logic. It connects customer value, product logic, and decision priorities. The result is captured as a KPI tree and owner list. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-5 Tage | 90-180 min initial, dann laufend | 20-35 min |
Participantsdifferent | Nutzertraffic | 3-8 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | KPI Tree, Owner List | Test Card with a pre-set threshold |
Tagsno overlap | ValidationExperimentsDemandDiscovery | MetricsStrategyAlignmentMeasurement | ExperimentsValidationDiscoveryHypothesis |
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