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| Criterion |  Product Discovery Solution Interview |  Product Discovery Problem Interview |  Innovation Reverse Brainstorming |
|---|---|---|---|
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 persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 30-60 min je Interview | 30-60 min |
Participantsdifferent | 5-10 Interviews | 5-12 Interviews | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Problem Evidence, Risk Notes, Customer Segments | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | ValidationInterviewsPrototype | DiscoveryInterviewsValidation | BrainstormingIdeationCreativityRisk |
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