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| Criterion |  Operations Kaizen Event |  Decision Making Constraint Analysis |  Operations ALPEN Method |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | 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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 0.5-5 Tage | 30-90 min | 10-20 min daily | 30-120 min |
Participantsdifferent | 4-10 | 2-8 | 1 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Daily Plan, Time Estimates, Review Notes | Observation Notes, Improvement Ideas |
Tagsno overlap | LeanContinuous improvementOperations | ConstraintsDecisionPlanningOptions | PlanningTime managementProductivityOperations | LeanObservationProcessOperations |