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| Criterion |  Product Discovery Smoke Test |  UX Research User Interviews |  Growth A/B Testing |
|---|---|---|---|
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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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. |
Complexitydifferent | Low | Low | High |
Timedifferent | 1-5 Tage | 30–60 min per interview | 1-4 Wochen |
Participantsdifferent | Nutzertraffic | 1 participant per interview | 1-6 |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Interest Metrics, Conversion Signal, Learning Note | Interview Notes, Themes, Insight Summary | Experiment results, Decision log, Learning summary |
Tagsno overlap | ValidationExperimentsDemandGrowth | QualitativeResearchCustomerDiscovery | ExperimentsGrowthAnalyticsValidation |
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