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| Criterion |  Domain Modeling Domain Context Map |  Operations A3 Problem Solving |  Operations MORT Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When a domain model and its associated contexts need to be thought through together, it creates a shared overview. It connects the business view and organizational boundary into a readable whole. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 | 1-3 h | 45-90 min | Mehrere Tage bis Wochen | 2-4 h |
Participantsdifferent | 3-10 | 2-5 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Domain Context Map, Boundary Notes, Ownership Map | A3 Report, Action Plan, Root Cause Analysis | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Domain-Driven DesignContextBoundaries | LeanProblem solvingCoachingOperations | Root causeSafetySystemicIncident | Root causeSafetyIncident |