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| Criterion |  Product Discovery Problem Interview |  Agile Specification by Example |  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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 60-90 min pro Feature | 20-35 min |
Participantsdifferent | 5-12 Interviews | 3-6 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Example Table, Acceptance Tests | Test Card with a pre-set threshold |
Tagsno overlap | DiscoveryInterviewsValidation | AgileRequirementsExamplesBehavior-Driven Development | ExperimentsValidationDiscoveryHypothesis |
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