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| Criterion |  Operations Fault Tree Analysis |  Facilitation Open Space Technology |  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 a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. | 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. |
Complexitysame | High | High | High |
Timedifferent | 2-6 h | 0.5-2 Tage | 2-6 h |
Participantsdifferent | 3-8 | 20-500+ | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Session Marketplace, Proceedings, Action Topics | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | RiskRoot causeSafety | FacilitationLarge groupAutonomy | RiskQualityOperationsRoot cause |
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