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| Criterion |  Operations Scatter Diagram |  Operations Fault Tree Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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 | Low | High | Medium |
Timedifferent | 30-90 min | 2-6 h | 1-3 h |
Participantsdifferent | 1-4 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Cause Tree, Evidence Notes, Countermeasures |
Tags1 shared | Root causeQualityVisualization | RiskRoot causeSafety | Root causeTreeIncidentQuality |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
