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| Criterion |  Operations Gemba Walk |  Decision Making Constraint Analysis |  Operations Kaizen Event |  Operations ALPEN Method |
|---|---|---|---|---|
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 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. | 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 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-120 min | 30-90 min | 0.5-5 Tage | 10-20 min daily |
Participantsdifferent | 2-6 | 2-8 | 4-10 | 1 |
Formatdifferent | Workshop | Workshop + async | Workshop | Async |
Outputdifferent | Observation Notes, Improvement Ideas | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | LeanObservationProcessOperations | ConstraintsDecisionPlanningOptions | LeanContinuous improvementOperations | PlanningTime managementProductivityOperations |