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| Criterion |  Operations Causal Factor Analysis |  Decision Making Decision Tree |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | 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 decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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 | High | Medium | High |
Timedifferent | 2-6 h | 30-90 min | 2-8 h |
Participantsdifferent | 3-10 | 1-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Decision Tree, Option Map, Assumption List | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | CausalityIncidentRoot causeTimeline | DecisionTreeOptions | Problem solvingRoot causeDecisionOperations |
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