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| Criterion |  Operations Kaizen Event |  Operations A3 Problem Solving |  Agile Starfish Retrospective |
|---|---|---|---|
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. | 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. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 0.5-5 Tage | 45-90 min | 45-90 min |
Participantsdifferent | 4-10 | 2-5 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | A3 Report, Action Plan, Root Cause Analysis | Starfish Board, Practice Changes, Experiments |
Tagsno overlap | LeanContinuous improvementOperations | LeanProblem solvingCoachingOperations | RetrospectiveImprovementExperimentsTeam |
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