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| Criterion |  Operations ABC Analysis |  Operations Barrier Analysis |  Operations Causal Factor Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 30-60 min | 2-4 h | 2-6 h | 2-6 h |
Participantsdifferent | 1-5 | 2-6 | 3-10 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | PrioritizationOperationsPortfolio | Root causeSafetyIncident | CausalityIncidentRoot causeTimeline | RiskQualityOperationsRoot cause |