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| Criterion |  Operations Failure Mode and Effects Analysis |  Systems Thinking Current Reality Tree |  Systems Thinking Iceberg Model |
|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. | 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 | 2-6 h | 2-6 h | 30-60 min |
Participantsdifferent | 3-10 | 3-8 | 2-10 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Current Reality Tree, Core Problems, Intervention Ideas | Iceberg Worksheet, Pattern Notes, Intervention Ideas |
Tags1 shared | RiskQualityOperationsRoot cause | Systems thinkingRoot causeConstraintsCausality | Systems thinkingRoot causePatterns |
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