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| Criterion |  Engineering Fault Isolation |  Business Strategy Value Chain Analysis |  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. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-180 min | Half day | 45-75 min |
Participantsdifferent | 1-6 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Value Chain Map, Lever List | Test Matrix, Test Plan |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StrategyBusiness modelDiagnosisAnalysis | ExperimentsValidationDiscoveryOptions |
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