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| Criterion |  Operations Gemba Walk |  Operations Standard Work Analysis |  Product Discovery Assumption Mapping |
|---|---|---|---|
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. | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30-120 min | 1-3 h | 45-60 min |
Participantsdifferent | 2-6 | 2-6 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | LeanObservationProcessOperations | LeanProcessQuality | AssumptionsRiskExperimentsValidation |
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