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| Criterion |  Operations Waste Analysis |  Operations ABC Analysis |  Operations Gemba Walk |  Operations Standard Work Analysis |
|---|---|---|---|---|
Purposedifferent | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | 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 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 45-120 min | 30-60 min | 30-120 min | 1-3 h |
Participantsdifferent | 2-8 | 1-5 | 2-6 | 2-6 |
Formatdifferent | Workshop | Async | Workshop | Workshop |
Outputdifferent | Waste Map, Prioritized Waste, Improvement Backlog | ABC Classification, Focus Rules, Control List | Observation Notes, Improvement Ideas | Standard Work Sheet, Deviation List, Improved Standard, Training Needs |
Tagsno overlap | WasteLeanProcess improvement | PrioritizationOperationsPortfolio | LeanObservationProcessOperations | LeanProcessQuality |