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| Criterion |  Operations Change Analysis |  Operations MORT Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | 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 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | High | High |
Timedifferent | 45-120 min | Mehrere Tage bis Wochen | 2-8 h |
Participantsdifferent | 2-6 | 2-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Problem Analysis, Decision Analysis, Risk Plan |
Tags1 shared | ChangeRoot causeTroubleshootingComparison | Root causeSafetySystemicIncident | Problem solvingRoot causeDecisionOperations |
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