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| Criterion |  Product Discovery Solution Interview |  Decision Making Decision Rights Mapping |  Product Discovery Problem Interview |  Decision Making DACI |
|---|---|---|---|---|
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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 90-180 min | 30-60 min je Interview | 30-60 min |
Participantsdifferent | 5-10 Interviews | 4-12 | 5-12 Interviews | 2-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Decision Rights Matrix, Agreement | Problem Evidence, Risk Notes, Customer Segments | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ValidationInterviewsPrototype | DecisionGovernanceAlignmentResponsibility | DiscoveryInterviewsValidation | DecisionRolesGovernanceAlignment |