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| Criterion |  Product Discovery Solution Interview |  Product Discovery Problem Interview |  Innovation TRIZ |
|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 30-60 min je Interview | 30-60 min je Interview | 1-4 h |
Participantsdifferent | 5-10 Interviews | 5-12 Interviews | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Problem Evidence, Risk Notes, Customer Segments | Contradiction Statement, Inventive Principles, Solution Concepts |
Tagsno overlap | ValidationInterviewsPrototype | DiscoveryInterviewsValidation | InnovationProblem solvingContradictionsCreativity |
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