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| Criterion |  Product Discovery Problem Interview |  Product Discovery Pretotyping |  Product Discovery Test Card |  Product Discovery Learning 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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 30-60 min je Interview | Stunden bis wenige Tage | 20-35 min | 25-40 min |
Participantsdifferent | 5-12 Interviews | 1-4 | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tags1 shared | DiscoveryInterviewsValidation | ValidationDemandMVP | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |