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| Criterion |  Operations Barrier Analysis |  Knowledge Modeling IBIS |  Knowledge Modeling Concept Mapping |
|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | Concept Mapping arranges terms and relationships in a network that makes subject-matter connections tangible. It fits when a topic needs to be understood structurally rather than linearly. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2-4 h | 1-3 h | 1-2 h |
Participantsdifferent | 2-6 | 2-8 | 1-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Issue Map, Positions, Argument Notes | Concept Map, Relationship Labels, Knowledge Gaps |
Tagsno overlap | Root causeSafetyIncident | RationaleKnowledgeDecision | KnowledgeConceptsMappingSensemaking |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
