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| Criterion |  Engineering Fault Isolation |  Product Strategy Lean Canvas |  Operations Change Analysis |  Innovation Lean Startup |
|---|---|---|---|---|
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 deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-180 min | 45-90 min | 45-120 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 1-6 | 1-6 | 2-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Lean Canvas, Core Assumptions, Experiment Backlog | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StartupLeanAssumptionsBusiness model | ChangeRoot causeTroubleshootingComparison | LeanStartupValidationMVP |