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| Criterion |  Operations Change Analysis |  Operations Fault Tree Analysis |  Systems Thinking Evaporating Cloud |
|---|---|---|---|
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 critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 45-120 min | 2-6 h | 60-120 min |
Participantsdifferent | 2-6 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | RiskRoot causeSafety | Theory of ConstraintsAssumptionsSystems thinking |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
