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| Criterion |  Product Discovery Problem Interview |  Product Strategy Impact Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|
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 goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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 |
Timedifferent | 30-60 min je Interview | 45-90 min | 1-5 Tage |
Participantsdifferent | 5-12 Interviews | 3-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Impact Map, Outcome Hypotheses, Delivery Options | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | DiscoveryInterviewsValidation | OutcomesStrategyBehaviorPlanning | ValidationExperimentsDemandDiscovery |
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