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| Criterion |  Operations Gemba Walk |  Operations Waste Analysis |  Operations Process Mapping |  Operations Kaizen Event |
|---|---|---|---|---|
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. | 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 a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-120 min | 45-120 min | 1-3 h | 0.5-5 Tage |
Participantsdifferent | 2-6 | 2-8 | 3-10 | 4-10 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Waste Map, Prioritized Waste, Improvement Backlog | Process Map, Handoff List, Improvement Backlog | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | LeanObservationProcessOperations | WasteLeanProcess improvement | ProcessOperationsImprovement | LeanContinuous improvementOperations |