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| Criterion |  Systems Thinking Systems Mapping |  Operations Fishbone Diagram |  Operations Fault Tree Analysis |  Operations Change Analysis |
|---|---|---|---|---|
Purposedifferent | Systems Mapping arranges elements, relationships, and boundaries so a complex field becomes legible at a glance. The overview stabilizes the overall picture before detail work or steering begins. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 1-3 h | 30-60 min | 2-6 h | 45-120 min |
Participantsdifferent | 3-12 | 2-8 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | System Map, Dependencies, Leverage Points | Fishbone Diagram, Cause Categories, Investigation Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | Systems thinkingMappingBoundariesChange | Root causeQualityOperations | RiskRoot causeSafety | ChangeRoot causeTroubleshootingComparison |