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| Criterion |  Operations Barrier Analysis |  Innovation Brainstorming |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | 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 team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 2-4 h | 30-60 min | 2-6 h |
Participantsdifferent | 2-6 | 4-12 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Idea pool, Theme clusters, Shortlist | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | Root causeSafetyIncident | BrainstormingIdeationCreativityWorkshopDivergence | RiskRoot causeSafety |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
