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| Criterion |  Operations Barrier Analysis |  Systems Thinking Iceberg Model |
|---|---|---|
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. | 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. |
Complexitydifferent | Medium | Low |
Timedifferent | 2-4 h | 30-60 min |
Participantsdifferent | 2-6 | 2-10 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Iceberg Worksheet, Pattern Notes, Intervention Ideas |
Tags1 shared | Root causeSafetyIncident | Systems thinkingRoot causePatterns |
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