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| Criterion |  Operations PDCA Cycle |  Agile Bucket System |  Operations Kaizen Event |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | 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 a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | 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. | 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 | Medium | Low |
Timedifferent | 1 h bis mehrere Wochen | 30-90 min | 0.5-5 Tage | 30-120 min |
Participantsdifferent | 1-8 | 3-12 | 4-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Bucketed Backlog, Relative Estimates, Split Candidates | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Observation Notes, Improvement Ideas |
Tagsno overlap | Continuous improvementLeanExperiments | EstimationBacklogRelative sizing | LeanContinuous improvementOperations | LeanObservationProcessOperations |