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| Criterion |  Product Discovery Smoke Test |  Product Strategy Counter Metrics |  UX Research HEART Framework |  Growth Pirate Metrics AARRR |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | Low | Medium | Medium |
Timedifferent | 1-5 Tage | 30-60 min | 120 min initial, dann laufend | 1-2 h Setup, laufend |
Participantsdifferent | Nutzertraffic | 2-6 | 3-6 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Counter Metric List, Guardrail Definitions | HEART-GSM Table, Dashboard | AARRR funnel, Metric baseline, Experiment backlog |
Tagsno overlap | ValidationExperimentsDemandGrowth | MetricsMeasurementStrategyExperiments | MetricsUX researchMeasurementSatisfaction | GrowthMetricsExperiments |