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| Criterion |  Product Discovery Problem Interview |  Product Discovery Smoke Test |  Growth A/B Testing |
|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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 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 | Medium | Low | High |
Timedifferent | 30-60 min je Interview | 1-5 Tage | 1-4 Wochen |
Participantsdifferent | 5-12 Interviews | Nutzertraffic | 1-6 |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Interest Metrics, Conversion Signal, Learning Note | Experiment results, Decision log, Learning summary |
Tags1 shared | DiscoveryInterviewsValidation | ValidationExperimentsDemandGrowth | ExperimentsGrowthAnalyticsValidation |
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