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| Criterion |  Product Discovery Problem Interview |  Systems Thinking Evaporating Cloud |  Product Discovery Solution Interview |
|---|---|---|---|
Purposedifferent | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | 60-120 min | 30-60 min je Interview |
Participantsdifferent | 5-12 Interviews | 2-8 | 5-10 Interviews |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | DiscoveryInterviewsValidation | Theory of ConstraintsAssumptionsSystems thinking | ValidationInterviewsPrototype |
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