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| Criterion |  Growth North Star Metric |  Growth Hooked Model |  Product Discovery Assumption Mapping |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
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. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-2 h | Multiple workshops over several weeks | 45-60 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-8 | 2-8 | 2-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Hooked loop, Trigger map, Reward design, Ethics check | Assumption map, Test backlog, Risk ranking | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | GrowthMetricsAlignmentRetention | GrowthBehaviorRetention | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryAssumptions |