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| Criterion |  Operations Change Analysis |  Engineering Fault Isolation |  Systems Thinking Causal Loop Diagram |
|---|---|---|---|
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. | 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. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 45-120 min | 30-180 min | 1-3 h |
Participantsdifferent | 2-6 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Causal Loop Diagram, Feedback Notes, Leverage Points |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | TroubleshootingDiagnosisEngineering | FeedbackSystems thinkingCausalityDynamics |
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