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| Criterion |  Product Discovery Kano Model |  Engineering Fault Isolation |  Engineering Golden Path |  Operations Ivy Lee Method |
|---|---|---|---|---|
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. | When teams need a reliable default path for frequent use, sprawl quickly emerges without any guiding logic. Golden Path bundles the preferred path so good practice becomes easy and deviation becomes deliberate. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 30-180 min | 1-3 Tage Setup, laufend | 5-10 min daily |
Participantsdifferent | 10-50 | 1-6 | 2-8 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Golden Path Guide, Templates, Quality Checks | Daily Priority List, Completion Notes |
Tagsno overlap | SatisfactionPrioritizationCustomer | TroubleshootingDiagnosisEngineering | EngineeringProductivityGovernance | PrioritizationProductivityExecution |