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| Criterion |  Operations Kepner-Tregoe |  Operations Change Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|
Purposedifferent | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 | High | Medium | High |
Timedifferent | 2-8 h | 45-120 min | 2-6 h |
Participantsdifferent | 2-8 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Current Reality Tree, Core Problems, Intervention Ideas |
Tags1 shared | Problem solvingRoot causeDecisionOperations | ChangeRoot causeTroubleshootingComparison | Systems thinkingRoot causeConstraintsCausality |
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