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| Criterion |  Engineering Fault Isolation |  Business Strategy 5-Minuten VC-Check |  Product Discovery Test Card |
|---|---|---|---|
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. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-180 min | 5-15 min | 20-35 min |
Participantsdifferent | 1-6 | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Test Card with a pre-set threshold |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StartupValidationCompetition | ExperimentsValidationDiscoveryHypothesis |
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