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| Criterion |  Operations Gemba Walk |  Agile Specification by Example |  Operations PDCA Cycle |  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. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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. | 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 | Medium | Low | Medium |
Timedifferent | 30-120 min | 60-90 min pro Feature | 1 h bis mehrere Wochen | 0.5-5 Tage |
Participantsdifferent | 2-6 | 3-6 | 1-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Example Table, Acceptance Tests | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | LeanObservationProcessOperations | AgileRequirementsExamplesBehavior-Driven Development | Continuous improvementLeanExperiments | LeanContinuous improvementOperations |