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| Criterion |  Product Discovery Problem Interview |  UX Research Tree Testing |  Product Discovery Fake Door Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | 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 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | 1-2 Tage | 1-5 Tage | 45-75 min |
Participantsdifferent | 5-12 Interviews | Based on research question | Nutzertraffic | 2-8 |
Formatdifferent | Workshop + async | Async | Async | Workshop |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Findability Metrics, Path Analysis, Revised IA | Click Data, Interest Signal, Learning Decision | Test Matrix, Test Plan |
Tagsno overlap | DiscoveryInterviewsValidation | Information architectureNavigationFindability | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryOptions |