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| Criterion |  Operations Barrier Analysis |  Decision Making Decision Matrix |  Operations Causal Factor Analysis |
|---|---|---|---|
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. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 2-4 h | 45-90 min | 2-6 h |
Participantsdifferent | 2-6 | 2-8 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Decision Matrix, Scoring Rationale, Selected Option | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | Root causeSafetyIncident | DecisionCriteriaScoringTradeoffs | CausalityIncidentRoot causeTimeline |
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