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| Criterion |  Engineering Fault Isolation |  Decision Making Delphi Method |  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. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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 | High | Medium |
Timedifferent | 30-180 min | 1-4 Wochen | 30-240 min |
Participantsdifferent | 1-6 | 6-30 Experten | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Expert Forecast, Consensus Range, Assumption Notes | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ForecastingExpertsDecisionStrategy | TroubleshootingProblem solvingDiagnosis |
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