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| Criterion |  Engineering Fault Isolation |  Innovation Lean Startup |  Engineering Hypothesis-Driven Troubleshooting |  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. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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 | Medium | Low |
Timedifferent | 30-180 min | Wochen bis Monate je Lernzyklus | 30-240 min | 5-15 min |
Participantsdifferent | 1-6 | 2-8 | 1-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step |
Tagsno overlap | TroubleshootingDiagnosisEngineering | LeanStartupValidationMVP | TroubleshootingProblem solvingDiagnosis | StartupValidationCompetition |