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Selected:Fault IsolationABC AnalysisHypothesis Prioritization CanvasHypothesis-Driven Troubleshooting
| Criterion |  Engineering Fault Isolation |  Operations ABC Analysis |  Product Discovery Hypothesis Prioritization Canvas |  Engineering Hypothesis-Driven Troubleshooting |
|---|---|---|---|---|
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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-180 min | 30-60 min | 60-90 min | 30-240 min |
Participantsdifferent | 1-6 | 1-5 | 3-8 | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | ABC Classification, Focus Rules, Control List | Prioritization Canvas, Hypothesis Backlog | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary |
Tagsno overlap | TroubleshootingDiagnosisEngineering | PrioritizationOperationsPortfolio | ExperimentsPrioritizationDiscoveryHypothesis | TroubleshootingProblem solvingDiagnosis |