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| Criterion |  Operations Waste Analysis |  Operations Kaizen Event |  Operations PDCA Cycle |  Operations Gemba Walk |
|---|---|---|---|---|
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. | 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. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45-120 min | 0.5-5 Tage | 1 h bis mehrere Wochen | 30-120 min |
Participantsdifferent | 2-8 | 4-10 | 1-8 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Waste Map, Prioritized Waste, Improvement Backlog | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Observation Notes, Improvement Ideas |
Tags1 shared | WasteLeanProcess improvement | LeanContinuous improvementOperations | Continuous improvementLeanExperiments | LeanObservationProcessOperations |