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| Criterion |  Product Discovery Problem Interview |  Product Discovery Opportunity Interview |  Operations Gemba Walk |
|---|---|---|---|
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 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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 30-60 min je Interview | 30-120 min |
Participantsdifferent | 5-12 Interviews | 5-12 Interviews | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Interview Notes, Opportunity Themes, Customer Quotes | Observation Notes, Improvement Ideas |
Tagsno overlap | DiscoveryInterviewsValidation | DiscoveryInterviewsOpportunityCustomer | LeanObservationProcessOperations |
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