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| Criterion |  Product Strategy Counter Metrics |  Growth A/B Testing |  UX Research HEART Framework |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
Purposedifferent | 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 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 observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. | 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 | Low | High | Medium | Medium |
Timedifferent | 30-60 min | 1-4 Wochen | 120 min initial, dann laufend | 1-2 h Setup, laufend |
Participantsdifferent | 2-6 | 1-6 | 3-6 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Counter Metric List, Guardrail Definitions | Experiment results, Decision log, Learning summary | HEART-GSM Table, Dashboard | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | MetricsMeasurementStrategyExperiments | ExperimentsGrowthAnalyticsValidation | MetricsUX researchMeasurementSatisfaction | GrowthMetricsExperiments |