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| Criterion |  Growth Hooked Model |  Growth North Star Metric |  Product Discovery Learning Card |
|---|---|---|---|
Purposedifferent | The Hooked Model helps clarify engagement loops, user behavior, and experiments. It makes repeat behavior measurable and captures the result as a hooked loop, trigger map, and reward design. | 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. | 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 | Multiple workshops over several weeks | 1-2 h | 25-40 min |
Participantsdifferent | 2-8 | 3-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hooked loop, Trigger map, Reward design, Ethics check | North Star metric, Input metric tree, Measurement cadence | Learning Card with evidence and next action |
Tagsno overlap | GrowthBehaviorRetention | GrowthMetricsAlignmentRetention | ExperimentsValidationDiscoveryLearning |
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