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| Criterion |  Growth Pirate Metrics AARRR |  Product Discovery Experiment Canvas |  Product Discovery Learning Card |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h Setup, laufend | 30-60 min | 25-40 min | 20-35 min |
Participantsdifferent | 2-8 | 1-5 | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | AARRR funnel, Metric baseline, Experiment backlog | Completed Experiment Canvas, Success Metric | Learning Card with evidence and next action | Test Card with a pre-set threshold |
Tags1 shared | GrowthMetricsExperiments | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryHypothesis |