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| Criterion |  Operations PDCA Cycle |  Operations ABC Analysis |  Operations ALPEN Method |  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. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1 h bis mehrere Wochen | 30-60 min | 10-20 min daily | 30-120 min |
Participantsdifferent | 1-8 | 1-5 | 1 | 2-6 |
Formatdifferent | Workshop + async | Async | Async | Workshop |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | ABC Classification, Focus Rules, Control List | Daily Plan, Time Estimates, Review Notes | Observation Notes, Improvement Ideas |
Tagsno overlap | Continuous improvementLeanExperiments | PrioritizationOperationsPortfolio | PlanningTime managementProductivityOperations | LeanObservationProcessOperations |