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| Criterion |  Product Discovery Problem Interview |  Operations Gemba Walk |  Product Discovery Learning Card |
|---|---|---|---|
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 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 30-120 min | 25-40 min |
Participantsdifferent | 5-12 Interviews | 2-6 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Observation Notes, Improvement Ideas | Learning Card with evidence and next action |
Tagsno overlap | DiscoveryInterviewsValidation | LeanObservationProcessOperations | ExperimentsValidationDiscoveryLearning |
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