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| Criterion |  Operations Fault Tree Analysis |  Facilitation Open Space Technology |  Operations Causal Factor 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 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. |
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 + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Session Marketplace, Proceedings, Action Topics | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | RiskRoot causeSafety | FacilitationLarge groupAutonomy | CausalityIncidentRoot causeTimeline |
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