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| Criterion |  Operations Barrier Analysis |  Systems Thinking CATWOE Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|
Purposedifferent | 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. | 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 Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 2-4 h | 45-90 min | 2-6 h |
Participantsdifferent | 2-6 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | Root causeSafetyIncident | Systems thinkingFramingStakeholders | Systems thinkingRoot causeConstraintsCausality |
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