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| Criterion |  Operations Fault Tree Analysis |  Operations Process Mapping |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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 | 1-3 h | 2-8 h |
Participantsdifferent | 3-8 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Process Map, Handoff List, Improvement Backlog | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | RiskRoot causeSafety | ProcessOperationsImprovement | Problem solvingRoot causeDecisionOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
