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| Criterion |  Product Discovery Problem Interview |  Innovation Brainwriting |  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 loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 15-30 min | 20-35 min |
Participantsdifferent | 5-12 Interviews | 3-12 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Idea sheets, Expanded concepts, Prioritized list | Test Card with a pre-set threshold |
Tagsno overlap | DiscoveryInterviewsValidation | BrainstormingCollaborationInclusionIdeas | ExperimentsValidationDiscoveryHypothesis |
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