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| Criterion |  Growth North Star Metric |  Product Discovery Fake Door Test |  Growth Growth Experiment |
|---|---|---|---|
Purposedifferent | 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. | 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. | When growth ideas surface quickly, the temptation to build immediately instead of learning is high. A Growth Experiment frames an assumption so target group, lever, and measurement are clear before the first deployment. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-2 h | 1-5 Tage | 1-2 Wochen |
Participantsdifferent | 3-8 | Nutzertraffic | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Click Data, Interest Signal, Learning Decision | Experiment card, Result summary, Next bet |
Tagsno overlap | GrowthMetricsAlignmentRetention | ValidationExperimentsDemandDiscovery | MarketingGrowthExperimentsLearning |
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