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| Criterion |  Engineering Fault Isolation |  Decision Making Delphi Method |  Business Strategy Business Model Canvas |  Business Strategy Value Chain Analysis |
|---|---|---|---|---|
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. | The Business Model Canvas condenses a business model to its key building blocks and assumptions. It makes variants quickly comparable and reveals gaps before validation or implementation begins. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 30-180 min | 1-4 Wochen | 1-2 h | Half day |
Participantsdifferent | 1-6 | 6-30 Experten | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Expert Forecast, Consensus Range, Assumption Notes | Business Model Canvas, Assumption List, Business Hypotheses | Value Chain Map, Lever List |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ForecastingExpertsDecisionStrategy | Business modelStrategyValueInnovation | StrategyBusiness modelDiagnosisAnalysis |