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| Criterion |  Operations Kaizen Event |  Agile 4Ls Retrospective |  Agile Start Stop Continue |  Operations After-Action Review |
|---|---|---|---|---|
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 a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 0.5-5 Tage | 45–75 min | 30-60 min | 20-45 min |
Participantsdifferent | 4-10 | Team members involved | 3-12 | 3-12 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | 4Ls Board, Learning Themes, Improvement Actions | Start Stop Continue Board, Improvement Actions | Lessons learned, Action items, Event summary |
Tagsno overlap | LeanContinuous improvementOperations | RetrospectiveLearningReflectionTeam | RetrospectiveImprovementTeamReflection | LearningOperationsImprovement |