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| Criterion |  Engineering Fault Isolation |  Business Strategy Value Chain Analysis |  Operations Change Analysis |  Business Strategy Business Model Canvas |
|---|---|---|---|---|
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. | 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. | The Business Model Canvas condenses a business model to its key building blocks and assumptions. It makes variants quickly comparable and reveals gaps before validation or implementation begins. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 30-180 min | Half day | 45-120 min | 1-2 h |
Participantsdifferent | 1-6 | 3-8 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Value Chain Map, Lever List | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Business Model Canvas, Assumption List, Business Hypotheses |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StrategyBusiness modelDiagnosisAnalysis | ChangeRoot causeTroubleshootingComparison | Business modelStrategyValueInnovation |