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| Criterion |  Product Discovery Problem Interview |  Innovation Contradiction Analysis |  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 a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. | 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 | 60-120 min | 20-35 min |
Participantsdifferent | 5-12 Interviews | 2-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Test Card with a pre-set threshold |
Tagsno overlap | DiscoveryInterviewsValidation | ContradictionsInnovationProblem solving | ExperimentsValidationDiscoveryHypothesis |
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