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| Criterion |  Product Discovery Problem Interview |  UX Design Lean UX Canvas |  Product Discovery Opportunity Interview |  Product Discovery Test Card |
|---|---|---|---|---|
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. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 2-3 h | 30-60 min je Interview | 20-35 min |
Participantsdifferent | 5-12 Interviews | 3-8 | 5-12 Interviews | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Completed Lean UX Canvas, Hypothesis list, First experiment | Interview Notes, Opportunity Themes, Customer Quotes | Test Card with a pre-set threshold |
Tags1 shared | DiscoveryInterviewsValidation | CanvasHypothesisOutcomesDiscovery | DiscoveryInterviewsOpportunityCustomer | ExperimentsValidationDiscoveryHypothesis |