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| Criterion |  Product Discovery Solution Interview |  Product Discovery MVP Test Matrix |  Product Discovery Fake Door Test |  Product Discovery Problem Interview |
|---|---|---|---|---|
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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | 45-75 min | 1-5 Tage | 30-60 min je Interview |
Participantsdifferent | 5-10 Interviews | 2-8 | Nutzertraffic | 5-12 Interviews |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision | Problem Evidence, Risk Notes, Customer Segments |
Tags1 shared | ValidationInterviewsPrototype | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery | DiscoveryInterviewsValidation |