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| Criterion |  Product Strategy KPI Tree |  Product Discovery MVP Test Matrix |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 90-180 min initial, dann laufend | 45-75 min | 1-5 Tage | 25-40 min |
Participantsdifferent | 3-8 | 2-8 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | KPI Tree, Owner List | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | MetricsStrategyAlignmentMeasurement | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |