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| Criterion |  Product Discovery Problem Interview |  Product Discovery Opportunity Interview |  Product Discovery Hypothesis Prioritization Canvas |  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. | 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. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | 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 | 30-60 min je Interview | 60-90 min | 20-35 min |
Participantsdifferent | 5-12 Interviews | 5-12 Interviews | 3-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Interview Notes, Opportunity Themes, Customer Quotes | Prioritization Canvas, Hypothesis Backlog | Test Card with a pre-set threshold |
Tags1 shared | DiscoveryInterviewsValidation | DiscoveryInterviewsOpportunityCustomer | ExperimentsPrioritizationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |