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| Criterion |  Operations Gemba Walk |  Operations ABC Analysis |  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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 | 30-60 min | 1-5 Tage |
Participantsdifferent | 2-6 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Async | Async |
Outputdifferent | Observation Notes, Improvement Ideas | ABC Classification, Focus Rules, Control List | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | LeanObservationProcessOperations | PrioritizationOperationsPortfolio | ValidationExperimentsDemandDiscovery |
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