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| Criterion |  Engineering Fault Isolation |  Systems Thinking Systems Mapping |  Systems Thinking Current Reality Tree |  Operations Change Analysis |
|---|---|---|---|---|
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. | Systems Mapping arranges elements, relationships, and boundaries so a complex field becomes legible at a glance. The overview stabilizes the overall picture before detail work or steering begins. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 30-180 min | 1-3 h | 2-6 h | 45-120 min |
Participantsdifferent | 1-6 | 3-12 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | System Map, Dependencies, Leverage Points | Current Reality Tree, Core Problems, Intervention Ideas | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | TroubleshootingDiagnosisEngineering | Systems thinkingMappingBoundariesChange | Systems thinkingRoot causeConstraintsCausality | ChangeRoot causeTroubleshootingComparison |