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| Criterion |  Systems Thinking Current Reality Tree |  Operations Causal Factor Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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. |
Complexitysame | High | High | High |
Timedifferent | 2-6 h | 2-6 h | 2-8 h |
Participantsdifferent | 3-8 | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Problem Analysis, Decision Analysis, Risk Plan |
Tags1 shared | Systems thinkingRoot causeConstraintsCausality | CausalityIncidentRoot causeTimeline | Problem solvingRoot causeDecisionOperations |
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