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| Criterion |  Operations Kepner-Tregoe |  Systems Thinking Current Reality Tree |  Operations Fishbone Diagram |
|---|---|---|---|
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. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | High | Low |
Timedifferent | 2-8 h | 2-6 h | 30-60 min |
Participantsdifferent | 2-8 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Current Reality Tree, Core Problems, Intervention Ideas | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tags1 shared | Problem solvingRoot causeDecisionOperations | Systems thinkingRoot causeConstraintsCausality | Root causeQualityOperations |
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