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| Criterion |  Operations MORT Analysis |  Operations Root Cause Analysis |  Operations Change Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | Mehrere Tage bis Wochen | 1-4 h | 45-120 min | 2-4 h |
Participantsdifferent | 2-6 | 3-8 | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tags1 shared | Root causeSafetySystemicIncident | Root causeProblem solvingQualityIncident | ChangeRoot causeTroubleshootingComparison | Root causeSafetyIncident |