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| Criterion |  Operations PDCA Cycle |  Operations Ivy Lee Method |  Operations ALPEN Method |  Operations Kaizen Event |
|---|---|---|---|---|
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. | 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. | 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 | Low | Low | Medium |
Timedifferent | 1 h bis mehrere Wochen | 5-10 min daily | 10-20 min daily | 0.5-5 Tage |
Participantsdifferent | 1-8 | 1 | 1 | 4-10 |
Formatdifferent | Workshop + async | Async | Async | Workshop |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | Continuous improvementLeanExperiments | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations | LeanContinuous improvementOperations |