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| Criterion |  Operations Kaizen Event |  Operations MORT Analysis |  Operations A3 Problem Solving |  Operations Family Tree Analysis |
|---|---|---|---|---|
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 safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 0.5-5 Tage | Mehrere Tage bis Wochen | 45-90 min | 2-4 h |
Participantsdifferent | 4-10 | 2-6 | 2-5 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | A3 Report, Action Plan, Root Cause Analysis | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | LeanContinuous improvementOperations | Root causeSafetySystemicIncident | LeanProblem solvingCoachingOperations | Root causePatternsIncidentSystemic |