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| Criterion |  Operations Fault Tree Analysis |  Facilitation Open Space Technology |  Operations 5 Whys |
|---|---|---|---|
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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | High | High | Low |
Timedifferent | 2-6 h | 0.5-2 Tage | 15-30 min |
Participantsdifferent | 3-8 | 20-500+ | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Session Marketplace, Proceedings, Action Topics | Root cause notes, Countermeasures |
Tagsno overlap | RiskRoot causeSafety | FacilitationLarge groupAutonomy | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
