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| Criterion |  Operations Fault Tree Analysis |  Delivery Communication Plan |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
Purposedifferent | 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. | When many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | 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 | 45-90 min | 2-6 h |
Participantsdifferent | 3-8 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Communication Plan, Channel Matrix, Message Cadence | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | RiskRoot causeSafety | CommunicationStakeholdersDeliveryPlanning | RiskQualityOperationsRoot cause |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
