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| Criterion |  Operations Change Analysis |  Operations ABC Analysis |  Operations Fault Tree Analysis |
|---|---|---|---|
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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 45-120 min | 30-60 min | 2-6 h |
Participantsdifferent | 2-6 | 1-5 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | ABC Classification, Focus Rules, Control List | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | PrioritizationOperationsPortfolio | RiskRoot causeSafety |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
