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| Criterion |  Engineering Goal Question Metric |  Product Discovery Fake Door Test |  Product Discovery Learning Card |  Product Strategy KPI Tree |
|---|---|---|---|---|
Purposedifferent | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 90-180 min | 1-5 Tage | 25-40 min | 90-180 min initial, dann laufend |
Participantsdifferent | 3-6 | Nutzertraffic | 1-5 | 3-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | GQM Table, Metric Profiles | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action | KPI Tree, Owner List |
Tagsno overlap | MetricsMeasurementEngineeringAlignment | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning | MetricsStrategyAlignmentMeasurement |