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| Criterion |  Knowledge Modeling Concept Mapping |  Engineering Fault Isolation |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | 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. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-2 h | 30-180 min | 2-4 h |
Participantsdifferent | 1-8 | 1-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Concept Map, Relationship Labels, Knowledge Gaps | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | KnowledgeConceptsMappingSensemaking | TroubleshootingDiagnosisEngineering | Root causeSafetyIncident |
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