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| Criterion |  Growth North Star Metric |  Product Discovery Assumption Mapping |  Product Discovery Learning 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-2 h | 45-60 min | 25-40 min |
Participantsdifferent | 3-8 | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Assumption map, Test backlog, Risk ranking | Learning Card with evidence and next action |
Tagsno overlap | GrowthMetricsAlignmentRetention | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryLearning |
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