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| Criterion |  Product Discovery Solution Interview |  Product Discovery Problem Interview |  Innovation Design Thinking |
|---|---|---|---|
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 complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 30-60 min je Interview | 30-60 min je Interview | 1 Tag bis mehrere Wochen |
Participantsdifferent | 5-10 Interviews | 5-12 Interviews | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Problem Evidence, Risk Notes, Customer Segments | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | ValidationInterviewsPrototype | DiscoveryInterviewsValidation | InnovationPrototypeResearch |
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