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| Criterion |  Engineering Fault Isolation |  Innovation Lean Startup |  Business Strategy Value Chain Analysis |  Business Strategy 5-Minuten VC-Check |
|---|---|---|---|---|
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. | 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. | 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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 30-180 min | Wochen bis Monate je Lernzyklus | Half day | 5-15 min |
Participantsdifferent | 1-6 | 2-8 | 3-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Value Chain Map, Lever List | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step |
Tagsno overlap | TroubleshootingDiagnosisEngineering | LeanStartupValidationMVP | StrategyBusiness modelDiagnosisAnalysis | StartupValidationCompetition |