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| Criterion |  Product Discovery Kano Model |  Engineering Fault Isolation |  Business Strategy Business Model Stress Test |
|---|---|---|---|
Purposedifferent | When features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | 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. | 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 |
Timedifferent | 1-2 Tage | 30-180 min | Half day |
Participantsdifferent | 10-50 | 1-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | SatisfactionPrioritizationCustomer | TroubleshootingDiagnosisEngineering | StrategyBusiness modelRiskDiagnosis |
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