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| Criterion |  Operations Change Analysis |  Systems Thinking Soft Systems Methodology |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | 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. | Soft Systems Methodology helps explore unclear or politically charged problems systematically. Instead of forcing a quick answer, the method builds a shared understanding of perspectives and room for action. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 45-120 min | 0.5-3 Tage | 2-4 h |
Participantsdifferent | 2-6 | 5-15 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Rich Picture, Root Definitions, Conceptual Models, Change Agenda | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Soft systemsComplexitySensemakingSystems thinking | Root causeSafetyIncident |
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