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| Criterion |  Decision Making Pre-Mortem |  Operations Causal Factor Analysis |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | 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 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 critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. |
Complexitydifferent | Low | High | High |
Timedifferent | 20–45 min | 2-6 h | 2-6 h |
Participantsdifferent | Small cross-functional group | 3-10 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | RiskDecisionFailurePlanning | CausalityIncidentRoot causeTimeline | RiskRoot causeSafety |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
