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| Criterion |  Product Discovery Opportunity Scoring |  Product Discovery Problem Interview |  Product Discovery Solution Interview |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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 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 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 60-120 min | 30-60 min je Interview | 30-60 min je Interview | 1-5 Tage |
Participantsdifferent | 3-6 | 5-12 Interviews | 5-10 Interviews | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Opportunity Score Table, Top Outcomes | Problem Evidence, Risk Notes, Customer Segments | Solution Feedback, Objection List, Validation Notes | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | PrioritizationDiscoveryOutcomesNeeds | DiscoveryInterviewsValidation | ValidationInterviewsPrototype | ValidationExperimentsDemandDiscovery |