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| Criterion |  Product Discovery Solution Interview |  Product Discovery Concierge MVP |  Product Discovery Assumption Mapping |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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 an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | 30-60 min je Interview | 1-4 Wochen | 45-60 min | 1-5 Tage |
Participantsdifferent | 5-10 Interviews | 3-10 Kunden | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Concierge Learnings, Service Blueprint, MVP Risks | Assumption map, Test backlog, Risk ranking | Click Data, Interest Signal, Learning Decision |
Tags1 shared | ValidationInterviewsPrototype | MVPValidationServiceDiscovery | AssumptionsRiskExperimentsValidation | ValidationExperimentsDemandDiscovery |