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| Criterion |  Operations Change Analysis |  Operations ALPEN Method |  Engineering Fault Isolation |
|---|---|---|---|
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 an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-120 min | 10-20 min daily | 30-180 min |
Participantsdifferent | 2-6 | 1 | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Daily Plan, Time Estimates, Review Notes | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | PlanningTime managementProductivityOperations | TroubleshootingDiagnosisEngineering |
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