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| Criterion |  Product Strategy Lean Canvas |  Engineering Fault Isolation |  Business Strategy 5-Minuten VC-Check |
|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 45-90 min | 30-180 min | 5-15 min |
Participantsdifferent | 1-6 | 1-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step |
Tagsno overlap | StartupLeanAssumptionsBusiness model | TroubleshootingDiagnosisEngineering | StartupValidationCompetition |
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