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| Criterion |  Growth A/B Testing |  Product Strategy Counter Metrics |  Product Discovery Assumption Mapping |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
Purposedifferent | 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 a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | High | Low | Medium | Medium |
Timedifferent | 1-4 Wochen | 30-60 min | 45-60 min | 1-2 h Setup, laufend |
Participantsdifferent | 1-6 | 2-6 | 2-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | Counter Metric List, Guardrail Definitions | Assumption map, Test backlog, Risk ranking | AARRR funnel, Metric baseline, Experiment backlog |
Tags1 shared | ExperimentsGrowthAnalyticsValidation | MetricsMeasurementStrategyExperiments | AssumptionsRiskExperimentsValidation | GrowthMetricsExperiments |