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| Criterion |  Engineering Goal Question Metric |  Product Strategy Counter Metrics |  Growth A/B Testing |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 90-180 min | 30-60 min | 1-4 Wochen | 1-5 Tage |
Participantsdifferent | 3-6 | 2-6 | 1-6 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | GQM Table, Metric Profiles | Counter Metric List, Guardrail Definitions | Experiment results, Decision log, Learning summary | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | MetricsMeasurementEngineeringAlignment | MetricsMeasurementStrategyExperiments | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandGrowth |