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| Criterion |  Engineering Fault Isolation |  Operations Change Analysis |  Decision Making Delphi Method |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
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. | 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. | 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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 30-180 min | 45-120 min | 1-4 Wochen | Half day |
Participantsdifferent | 1-6 | 2-6 | 6-30 Experten | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Expert Forecast, Consensus Range, Assumption Notes | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ChangeRoot causeTroubleshootingComparison | ForecastingExpertsDecisionStrategy | StrategyBusiness modelRiskDiagnosis |