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| Criterion |  Operations Gemba Walk |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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. | 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 | Low | Low | Medium |
Timedifferent | 30-120 min | 25-40 min | 1-5 Tage |
Participantsdifferent | 2-6 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Observation Notes, Improvement Ideas | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | LeanObservationProcessOperations | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |
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