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| Criterion |  Product Discovery Smoke Test |  Product Strategy KPI Tree |  Engineering Goal Question Metric |  Growth North Star Metric |
|---|---|---|---|---|
Purposedifferent | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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. | 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 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 1-5 Tage | 90-180 min initial, dann laufend | 90-180 min | 1-2 h |
Participantsdifferent | Nutzertraffic | 3-8 | 3-6 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | KPI Tree, Owner List | GQM Table, Metric Profiles | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | ValidationExperimentsDemandGrowth | MetricsStrategyAlignmentMeasurement | MetricsMeasurementEngineeringAlignment | GrowthMetricsAlignmentRetention |