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| Criterion | ![]() Knowledge Modeling Concept Mapping | ![]() Architecture ARID (Active Reviews for Intermediate Designs) | ![]() Operations MORT Analysis | ![]() 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. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 1-2 h | 2–4 h review as a planning range; preparation and evaluation additional | Mehrere Tage bis Wochen | 2-4 h |
Participantsdifferent | 1-8 | Designers, developers as users, and facilitation | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Concept Map, Relationship Labels, Knowledge Gaps | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | KnowledgeConceptsMappingSensemaking | ArchitectureEngineeringFeedbackValidationTasks | Root causeSafetySystemicIncident | Root causeSafetyIncident |



