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| Criterion |  Engineering Fault Isolation |  Product Discovery MVP Test Matrix |
|---|---|---|
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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitysame | Medium | Medium |
Timedifferent | 30-180 min | 45-75 min |
Participantsdifferent | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Test Matrix, Test Plan |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ExperimentsValidationDiscoveryOptions |
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