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| Criterion |  Product Discovery Solution Interview |  Product Discovery Problem Interview |  Product Discovery Opportunity Scoring |  Innovation Design Sprint |
|---|---|---|---|---|
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 opportunities need ranking by their effect, it makes importance and satisfaction directly comparable. It separates problem, assumption, solution, and evidence. The result is captured as an opportunity-score table and top outcomes. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 30-60 min je Interview | 30-60 min je Interview | 60-120 min | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 5-12 Interviews | 3-6 | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Problem Evidence, Risk Notes, Customer Segments | Opportunity Score Table, Top Outcomes | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | DiscoveryInterviewsValidation | PrioritizationDiscoveryOutcomesNeeds | Design sprintPrototypeValidationInnovation |