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| Criterion |  Operations Kepner-Tregoe |  Engineering Fault Isolation |
|---|---|---|
Purposedifferent | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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 | High | Medium |
Timedifferent | 2-8 h | 30-180 min |
Participantsdifferent | 2-8 | 1-6 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | TroubleshootingDiagnosisEngineering |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
