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| Criterion |  Systems Thinking Current Reality Tree |  Operations MORT Analysis |  Operations Family Tree Analysis |  Systems Thinking Iceberg Model |
|---|---|---|---|---|
Purposedifferent | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | 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. | 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 | High | High | Medium | Low |
Timedifferent | 2-6 h | Mehrere Tage bis Wochen | 2-4 h | 30-60 min |
Participantsdifferent | 3-8 | 2-6 | 2-6 | 2-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Family Tree Diagram, Pattern Notes, Systemic Measures | Iceberg Worksheet, Pattern Notes, Intervention Ideas |
Tags1 shared | Systems thinkingRoot causeConstraintsCausality | Root causeSafetySystemicIncident | Root causePatternsIncidentSystemic | Systems thinkingRoot causePatterns |