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| Criterion |  Operations Barrier Analysis |  Operations Change Analysis |  Operations Failure Mode and Effects 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 | Medium | Medium | High |
Timedifferent | 2-4 h | 45-120 min | 2-6 h |
Participantsdifferent | 2-6 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Change Matrix, Cause Hypotheses, Validation Questions, Action List | FMEA Table, Risk Priority, Mitigation Actions |
Tags1 shared | Root causeSafetyIncident | ChangeRoot causeTroubleshootingComparison | RiskQualityOperationsRoot cause |
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