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| Criterion |  Product Discovery Solution Interview |  Innovation TRIZ |  Product Discovery Problem Interview |
|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-60 min je Interview | 1-4 h | 30-60 min je Interview |
Participantsdifferent | 5-10 Interviews | 2-8 | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Contradiction Statement, Inventive Principles, Solution Concepts | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | ValidationInterviewsPrototype | InnovationProblem solvingContradictionsCreativity | DiscoveryInterviewsValidation |
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