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| Criterion |  Product Discovery Fake Door Test |  UX Research User Interviews |
|---|---|---|
Purposedifferent | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | 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. |
Complexitydifferent | Medium | Low |
Timedifferent | 1-5 Tage | 30–60 min per interview |
Participantsdifferent | Nutzertraffic | 1 participant per interview |
Formatdifferent | Async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Interview Notes, Themes, Insight Summary |
Tags1 shared | ValidationExperimentsDemandDiscovery | QualitativeResearchCustomerDiscovery |
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