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| Criterion |  Engineering Goal Question Metric |  Growth A/B Testing |  Growth Funnel Analysis |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
Purposedifferent | 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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | 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. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 90-180 min | 1-4 Wochen | 1-3 h | 1-2 h Setup, laufend |
Participantsdifferent | 3-6 | 1-6 | 1-5 | 2-8 |
Formatdifferent | Workshop | Async | Async | Workshop + async |
Outputdifferent | GQM Table, Metric Profiles | Experiment results, Decision log, Learning summary | Funnel report, Drop-off analysis, Optimization hypotheses | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | MetricsMeasurementEngineeringAlignment | ExperimentsGrowthAnalyticsValidation | AnalyticsConversionGrowth | GrowthMetricsExperiments |