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| Criterion |  Operations Failure Mode and Effects Analysis |  Systems Thinking Current Reality Tree |  Operations Root Cause Tree Analysis |
|---|---|---|---|
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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | 2-6 h | 1-3 h |
Participantsdifferent | 3-10 | 3-8 | 2-8 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Current Reality Tree, Core Problems, Intervention Ideas | Cause Tree, Evidence Notes, Countermeasures |
Tags1 shared | RiskQualityOperationsRoot cause | Systems thinkingRoot causeConstraintsCausality | Root causeTreeIncidentQuality |
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