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| Criterion |  Operations A3 Problem Solving |  Operations After-Action Review |  Operations ALPEN Method |  Operations Kaizen Event |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 | Medium | Low | Low | Medium |
Timedifferent | 45-90 min | 20-45 min | 10-20 min daily | 0.5-5 Tage |
Participantsdifferent | 2-5 | 3-12 | 1 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Lessons learned, Action items, Event summary | Daily Plan, Time Estimates, Review Notes | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tags1 shared | LeanProblem solvingCoachingOperations | LearningOperationsImprovement | PlanningTime managementProductivityOperations | LeanContinuous improvementOperations |