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| Criterion |  Engineering Fault Isolation |  Business Strategy Business Model Stress Test |  Product Strategy DIBB |  Business Strategy Value Chain Analysis |
|---|---|---|---|---|
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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 30-180 min | Half day | 1-2 h | Half day |
Participantsdifferent | 1-6 | 3-8 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Stress Test Report, Action Plan per Scenario | DIBB document, Belief list, Bet list, Learning report | Value Chain Map, Lever List |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StrategyBusiness modelRiskDiagnosis | StrategyDecisionAssumptionsHypothesis | StrategyBusiness modelDiagnosisAnalysis |