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| Criterion |  Growth North Star Metric |  Product Discovery MVP Test Matrix |  Growth Pirate Metrics AARRR |
|---|---|---|---|
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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | For products with complex usage paths, overall growth alone is too coarse to reveal bottlenecks. Pirate Metrics breaks the relationship with the product into consecutive stages and shows where the funnel actually leaks. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-2 h | 45-75 min | 1-2 h Setup, laufend |
Participantsdifferent | 3-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | North Star metric, Input metric tree, Measurement cadence | Test Matrix, Test Plan | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | GrowthMetricsAlignmentRetention | ExperimentsValidationDiscoveryOptions | GrowthMetricsExperiments |
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