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| Criterion |  UX Research HEART Framework |  Growth A/B Testing |  Product Discovery Smoke Test |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
Purposedifferent | 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. | 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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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 | Low | Medium |
Timedifferent | 120 min initial, dann laufend | 1-4 Wochen | 1-5 Tage | 1-2 h Setup, laufend |
Participantsdifferent | 3-6 | 1-6 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | HEART-GSM Table, Dashboard | Experiment results, Decision log, Learning summary | Interest Metrics, Conversion Signal, Learning Note | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | MetricsUX researchMeasurementSatisfaction | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandGrowth | GrowthMetricsExperiments |