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| Criterion |  Operations A3 Problem Solving |  Agile Start Stop Continue |  Operations Kaizen Event |  Agile Starfish Retrospective |
|---|---|---|---|---|
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. | 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. | 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 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 | Low | Medium | Low |
Timedifferent | 45-90 min | 30-60 min | 0.5-5 Tage | 45-90 min |
Participantsdifferent | 2-5 | 3-12 | 4-10 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Start Stop Continue Board, Improvement Actions | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Starfish Board, Practice Changes, Experiments |
Tagsno overlap | LeanProblem solvingCoachingOperations | RetrospectiveImprovementTeamReflection | LeanContinuous improvementOperations | RetrospectiveImprovementExperimentsTeam |