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| Criterion |  Operations Gemba Walk |  Operations ABC Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|
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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | Low | High |
Timedifferent | 30-120 min | 30-60 min | 2-8 h |
Participantsdifferent | 2-6 | 1-5 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | ABC Classification, Focus Rules, Control List | Problem Analysis, Decision Analysis, Risk Plan |
Tags1 shared | LeanObservationProcessOperations | PrioritizationOperationsPortfolio | Problem solvingRoot causeDecisionOperations |
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