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| Criterion |  Growth North Star Metric |  Growth Funnel Analysis |  Product Discovery Test Card |
|---|---|---|---|
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 many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-2 h | 1-3 h | 20-35 min |
Participantsdifferent | 3-8 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Funnel report, Drop-off analysis, Optimization hypotheses | Test Card with a pre-set threshold |
Tagsno overlap | GrowthMetricsAlignmentRetention | AnalyticsConversionGrowth | ExperimentsValidationDiscoveryHypothesis |
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