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| Criterion |  Product Discovery Working Backwards |  Growth A/B Testing |  Engineering Goal Question Metric |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | 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. | 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. | 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 | 4-8 h, mehrere Iterationen | 1-4 Wochen | 90-180 min | 1-2 h Setup, laufend |
Participantsdifferent | 2-6 | 1-6 | 3-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Experiment results, Decision log, Learning summary | GQM Table, Metric Profiles | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | VisionNarrativeAlignment | ExperimentsGrowthAnalyticsValidation | MetricsMeasurementEngineeringAlignment | GrowthMetricsExperiments |