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| Criterion |  Product Discovery Kano Model |  Engineering Fault Isolation |
|---|---|---|
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. |
Complexitysame | Medium | Medium |
Timedifferent | 1-2 Tage | 30-180 min |
Participantsdifferent | 10-50 | 1-6 |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | SatisfactionPrioritizationCustomer | TroubleshootingDiagnosisEngineering |
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