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| Criterion |  Engineering Failure Scenario Analysis |  Decision Making Pre-Mortem |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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 | Medium | Low | Medium |
Timedifferent | 1-3 h | 20–45 min | 2-4 h |
Participantsdifferent | 3-8 | Small cross-functional group | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Risk list, Mitigation plan, Assumption log | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | FailureResilienceRisk | RiskDecisionFailurePlanning | Root causeSafetyIncident |
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