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| Criterion |  Product Discovery Landing Page Test |  Growth North Star Metric |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When a value proposition first needs to be checked for resonance, it condenses the idea onto a focused entry page. It shows whether language and offering carry interest. | When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | Medium | Medium | Low | Medium |
Timedifferent | 1-5 Tage | 1-2 h | 25-40 min | 1-5 Tage |
Participantsdifferent | Nutzertraffic | 3-8 | 1-5 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Landing Page, Conversion Data, Learning Summary | North Star metric, Input metric tree, Measurement cadence | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ValidationConversionMarketing | GrowthMetricsAlignmentRetention | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |