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| Criterion |  Operations Kaizen Event |  Operations Barrier Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|
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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 0.5-5 Tage | 2-4 h | 2-8 h |
Participantsdifferent | 4-10 | 2-6 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LeanContinuous improvementOperations | Root causeSafetyIncident | Problem solvingRoot causeDecisionOperations |
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