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| Criterion |  Product Discovery Assumption Mapping |  Engineering Goal Question Metric |  Growth North Star Metric |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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. | 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 | Medium |
Timedifferent | 45-60 min | 90-180 min | 1-2 h | 1-2 h Setup, laufend |
Participantsdifferent | 2-8 | 3-6 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | GQM Table, Metric Profiles | North Star metric, Input metric tree, Measurement cadence | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | AssumptionsRiskExperimentsValidation | MetricsMeasurementEngineeringAlignment | GrowthMetricsAlignmentRetention | GrowthMetricsExperiments |