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| Criterion |  UX Research User Interviews |  Product Discovery Assumption Mapping |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 45-60 min | 20-35 min |
Participantsdifferent | 1 participant per interview | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Assumption map, Test backlog, Risk ranking | Test Card with a pre-set threshold |
Tagsno overlap | QualitativeResearchCustomerDiscovery | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryHypothesis |
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