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| Criterion |  Systems Thinking Systems Mapping |  Operations MORT Analysis |  Systems Thinking Iceberg Model |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | Systems Mapping arranges elements, relationships, and boundaries so a complex field becomes legible at a glance. The overview stabilizes the overall picture before detail work or steering begins. | 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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | 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 | High | Low | Medium |
Timedifferent | 1-3 h | Mehrere Tage bis Wochen | 30-60 min | 2-4 h |
Participantsdifferent | 3-12 | 2-6 | 2-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | System Map, Dependencies, Leverage Points | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Systems thinkingMappingBoundariesChange | Root causeSafetySystemicIncident | Systems thinkingRoot causePatterns | Root causeSafetyIncident |