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| Criterion |  Decision Making Pareto Analysis |  Operations Barrier Analysis |  Operations Fault Tree Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 30-60 min | 2-4 h | 2-6 h | 1-3 h |
Participantsdifferent | 1-6 | 2-6 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Pareto Chart, Top Causes, Focus List | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Cause Tree, Evidence Notes, Countermeasures |
Tags1 shared | PrioritizationQualityFocusRoot cause | Root causeSafetyIncident | RiskRoot causeSafety | Root causeTreeIncidentQuality |