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| Criterion |  Decision Making Delphi Method |  Operations MORT Analysis |  Systems Thinking Iceberg Model |
|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | 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 | Low |
Timedifferent | 1-4 Wochen | Mehrere Tage bis Wochen | 30-60 min |
Participantsdifferent | 6-30 Experten | 2-6 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Iceberg Worksheet, Pattern Notes, Intervention Ideas |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Root causeSafetySystemicIncident | Systems thinkingRoot causePatterns |
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