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| Criterion |  Product Discovery Solution Interview |  Product Discovery Problem Interview |  Decision Making Constraint Analysis |
|---|---|---|---|
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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 30-60 min je Interview | 30-90 min |
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 | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tagsno overlap | ValidationInterviewsPrototype | DiscoveryInterviewsValidation | ConstraintsDecisionPlanningOptions |
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