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| Criterion |  Decision Making Risk Matrix |  Operations Family Tree Analysis |  Operations Fault Tree Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 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. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 30-60 min | 2-4 h | 2-6 h | 2-4 h |
Participantsdifferent | 3-10 | 2-6 | 3-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Risk Matrix, Top Risk List | Family Tree Diagram, Pattern Notes, Systemic Measures | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | RiskDecisionPrioritizationAssessment | Root causePatternsIncidentSystemic | RiskRoot causeSafety | Root causeSafetyIncident |