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| Criterion |  Engineering Fault Isolation |  Operations Change Analysis |  Systems Thinking Evaporating Cloud |
|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-180 min | 45-120 min | 60-120 min |
Participantsdifferent | 1-6 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ChangeRoot causeTroubleshootingComparison | Theory of ConstraintsAssumptionsSystems thinking |
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