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| Criterion |  Engineering Fault Isolation |  Product Strategy Lean Canvas |  Operations MORT Analysis |
|---|---|---|---|
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. | 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. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 30-180 min | 45-90 min | Mehrere Tage bis Wochen |
Participantsdifferent | 1-6 | 1-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Lean Canvas, Core Assumptions, Experiment Backlog | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StartupLeanAssumptionsBusiness model | Root causeSafetySystemicIncident |
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