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| Criterion |  Operations Fault Tree Analysis |  Operations Barrier Analysis |  Innovation Rapid Ideation |
|---|---|---|---|
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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 2-6 h | 2-4 h | 5-20 min |
Participantsdifferent | 3-8 | 2-6 | 1-20 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | RiskRoot causeSafety | Root causeSafetyIncident | BrainstormingIdeationDivergenceSpeed |
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