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| Criterion |  Product Discovery Problem Interview |  Product Discovery Jobs to Be Done |  Product Discovery Fake Door Test |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
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 switching motives and progress are unclear, it reconstructs the situation from real customer circumstances. It shows why a switch happens and what kind of progress is being sought. | 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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | 1-3 Wochen | 1-5 Tage | 30-60 min je Interview |
Participantsdifferent | 5-12 Interviews | 5-12 Interviews | Nutzertraffic | 5-12 Interviews |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Job Stories, Outcome Statements, Opportunity List | Click Data, Interest Signal, Learning Decision | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | DiscoveryInterviewsValidation | CustomerOutcomesNeeds | ValidationExperimentsDemandDiscovery | DiscoveryInterviewsOpportunityCustomer |