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| Criterion |  Operations Kaizen Event |  Operations Kepner-Tregoe |  Systems Thinking Current Reality Tree |
|---|---|---|---|
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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | High | High |
Timedifferent | 0.5-5 Tage | 2-8 h | 2-6 h |
Participantsdifferent | 4-10 | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Problem Analysis, Decision Analysis, Risk Plan | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | LeanContinuous improvementOperations | Problem solvingRoot causeDecisionOperations | Systems thinkingRoot causeConstraintsCausality |
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