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| Criterion |  Operations PDCA Cycle |  Operations Ivy Lee Method |  Operations Kaizen Event |  Operations ABC Analysis |
|---|---|---|---|---|
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 a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1 h bis mehrere Wochen | 5-10 min daily | 0.5-5 Tage | 30-60 min |
Participantsdifferent | 1-8 | 1 | 4-10 | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Daily Priority List, Completion Notes | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | ABC Classification, Focus Rules, Control List |
Tagsno overlap | Continuous improvementLeanExperiments | PrioritizationProductivityExecution | LeanContinuous improvementOperations | PrioritizationOperationsPortfolio |