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| Criterion |  Engineering Fault Isolation |  Business Strategy VRIO Framework |  Operations 5 Whys |
|---|---|---|---|
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. | The VRIO Framework rates resources and capabilities on whether they are Valuable, Rare, Inimitable, and Organized. It compares strengths, risks, market logic, and courses of action. The result is captured as a VRIO table and strategic actions. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-180 min | 90-180 min | 15-30 min |
Participantsdifferent | 1-6 | 3-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | VRIO Table, Strategic Actions | Root cause notes, Countermeasures |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StrategyDiagnosisBusiness modelCapability | Root causeIncidentLeanProblem solving |
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