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| Criterion |  Operations A3 Problem Solving |  Operations Kaizen Event |  Operations RACI Matrix |
|---|---|---|---|
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. | 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 45-90 min | 0.5-5 Tage | 45-90 min |
Participantsdifferent | 2-5 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | RACI Matrix, Responsibility Map, Decision Notes |
Tags1 shared | LeanProblem solvingCoachingOperations | LeanContinuous improvementOperations | RolesResponsibilityGovernanceOperations |
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