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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Product Strategy Lean Canvas |  Engineering Fault Isolation |
|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-240 min | 45-90 min | 30-180 min |
Participantssame | 1-6 | 1-6 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Lean Canvas, Core Assumptions, Experiment Backlog | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | StartupLeanAssumptionsBusiness model | TroubleshootingDiagnosisEngineering |
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