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| Criterion |  Operations Fault Tree Analysis |  Systems Thinking Current Reality Tree |  Systems Thinking CATWOE Analysis |
|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. | 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. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | 2-6 h | 45-90 min |
Participantssame | 3-8 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Current Reality Tree, Core Problems, Intervention Ideas | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints |
Tagsno overlap | RiskRoot causeSafety | Systems thinkingRoot causeConstraintsCausality | Systems thinkingFramingStakeholders |
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