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| Criterion |  Systems Thinking Leverage Points |  Systems Thinking Iceberg Model |  Operations Family Tree Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | 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 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. | 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 | High | Low | Medium | Medium |
Timedifferent | Half day | 30-60 min | 2-4 h | 2-4 h |
Participantsdifferent | 3-12 | 2-10 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Leverage Map, Action Strategy | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Family Tree Diagram, Pattern Notes, Systemic Measures | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Systems thinkingChangeStrategy | Systems thinkingRoot causePatterns | Root causePatternsIncidentSystemic | Root causeSafetyIncident |