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| Criterion |  Systems Thinking CATWOE Analysis |  Operations Fault Tree Analysis |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 45-90 min | 2-6 h | 15-30 min |
Participantsdifferent | 3-8 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Root cause notes, Countermeasures |
Tagsno overlap | Systems thinkingFramingStakeholders | RiskRoot causeSafety | Root causeIncidentLeanProblem solving |
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