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| Criterion |  Product Strategy KPI Tree |  Growth A/B Testing |  Product Discovery Fake Door Test |  Engineering Goal Question Metric |
|---|---|---|---|---|
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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 90-180 min initial, dann laufend | 1-4 Wochen | 1-5 Tage | 90-180 min |
Participantsdifferent | 3-8 | 1-6 | Nutzertraffic | 3-6 |
Formatdifferent | Workshop + async | Async | Async | Workshop |
Outputdifferent | KPI Tree, Owner List | Experiment results, Decision log, Learning summary | Click Data, Interest Signal, Learning Decision | GQM Table, Metric Profiles |
Tagsno overlap | MetricsStrategyAlignmentMeasurement | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandDiscovery | MetricsMeasurementEngineeringAlignment |