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| Criterion |  Operations MORT Analysis |  Systems Thinking CATWOE Analysis |  Systems Thinking Behavior Over Time Graph |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. | 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 | High | Medium | Low | Medium |
Timedifferent | Mehrere Tage bis Wochen | 45-90 min | 20-45 min | 2-4 h |
Participantsdifferent | 2-6 | 3-8 | 1-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Behavior Over Time Graph, Trend Hypotheses, Key Events | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Root causeSafetySystemicIncident | Systems thinkingFramingStakeholders | Systems thinkingPatternsDynamics | Root causeSafetyIncident |