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| Criterion |  Product Discovery Problem Interview |  Facilitation 1-2-4-All |  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 many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-60 min je Interview | 10-20 min | 1-5 Tage |
Participantsdifferent | 5-12 Interviews | 4-100+ | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Idea List, Shared Insights, Emergent Themes | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | DiscoveryInterviewsValidation | FacilitationInclusionIdeation | ValidationExperimentsDemandDiscovery |
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