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| Criterion |  Business Strategy 5-Minuten VC-Check |  Engineering Fault Isolation |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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. | 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 Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 5-15 min | 30-180 min | 20-35 min | 25-40 min |
Participantsdifferent | 1-5 | 1-6 | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tagsno overlap | StartupValidationCompetition | TroubleshootingDiagnosisEngineering | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |