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| Criterion |  Operations Barrier Analysis |  Operations Fault Tree Analysis |  Decision Making Risk Matrix |
|---|---|---|---|
Purposedifferent | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. | 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 | Medium | High | Low |
Timedifferent | 2-4 h | 2-6 h | 30-60 min |
Participantsdifferent | 2-6 | 3-8 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Risk Matrix, Top Risk List |
Tagsno overlap | Root causeSafetyIncident | RiskRoot causeSafety | RiskDecisionPrioritizationAssessment |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
