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| Criterion |  Operations Scatter Diagram |  Operations MORT Analysis |  Operations 5 Whys |  Operations Family 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 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 30-90 min | Mehrere Tage bis Wochen | 15-30 min | 2-4 h |
Participantsdifferent | 1-4 | 2-6 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Root cause notes, Countermeasures | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tags1 shared | Root causeQualityVisualization | Root causeSafetySystemicIncident | Root causeIncidentLeanProblem solving | Root causePatternsIncidentSystemic |