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| Criterion |  Operations Causal Factor Analysis |  Decision Making Pre-Mortem |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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 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 | High | Low | High |
Timedifferent | 2-6 h | 20–45 min | 2-6 h |
Participantsdifferent | 3-10 | Small cross-functional group | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Risk list, Mitigation plan, Assumption log | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | CausalityIncidentRoot causeTimeline | RiskDecisionFailurePlanning | RiskQualityOperationsRoot cause |
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