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| Criterion |  Systems Thinking Iceberg Model |  Operations Barrier Analysis |  Operations Family Tree Analysis |
|---|---|---|---|
Purposedifferent | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | 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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30-60 min | 2-4 h | 2-4 h |
Participantsdifferent | 2-10 | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tags1 shared | Systems thinkingRoot causePatterns | Root causeSafetyIncident | Root causePatternsIncidentSystemic |
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