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| Criterion |  Innovation Lean Startup |  Engineering Fault Isolation |  Business Strategy Value Chain Analysis |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-180 min | Half day | Half day |
Participantsdifferent | 2-8 | 1-6 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Value Chain Map, Lever List | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | LeanStartupValidationMVP | TroubleshootingDiagnosisEngineering | StrategyBusiness modelDiagnosisAnalysis | StrategyBusiness modelRiskDiagnosis |