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| Criterion |  Operations Fault Tree Analysis |  Operations Kepner-Tregoe |  Decision Making Risk Matrix |
|---|---|---|---|
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. | 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. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. |
Complexitydifferent | High | High | Low |
Timedifferent | 2-6 h | 2-8 h | 30-60 min |
Participantsdifferent | 3-8 | 2-8 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Problem Analysis, Decision Analysis, Risk Plan | Risk Matrix, Top Risk List |
Tagsno overlap | RiskRoot causeSafety | Problem solvingRoot causeDecisionOperations | RiskDecisionPrioritizationAssessment |
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