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| Criterion |  Operations Barrier Analysis |  Systems Thinking CATWOE Analysis |  Operations 8D Problem Solving |
|---|---|---|---|
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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 2-4 h | 45-90 min | 1-6 Wochen |
Participantsdifferent | 2-6 | 3-8 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeSafetyIncident | Systems thinkingFramingStakeholders | QualityProblem solvingRoot cause |
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