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| Criterion |  Operations Kaizen Event |  Operations Learning Review |  Business Strategy Strategy Execution Loop |  Agile 4Ls 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | The Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 0.5-5 Tage | 1-3 h | Initial 3-6 h, then monthly or quarterly reviews | 45–75 min |
Participantsdifferent | 4-10 | 3-10 | 5-12 | Team members involved |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Learning Review Notes, System Factors, Improvement Actions | Execution Loop, Review Cadence, Strategic Learning Log | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | LeanContinuous improvementOperations | LearningRetrospectiveIncidentOperations | ExecutionCadenceLearningGovernance | RetrospectiveLearningReflectionTeam |