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| Criterion |  Product Discovery Kano Model |  Engineering Fault Isolation |  Operations ABC Analysis |  Operations After-Action Review |
|---|---|---|---|---|
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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 Tage | 30-180 min | 30-60 min | 20-45 min |
Participantsdifferent | 10-50 | 1-6 | 1-5 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | ABC Classification, Focus Rules, Control List | Lessons learned, Action items, Event summary |
Tagsno overlap | SatisfactionPrioritizationCustomer | TroubleshootingDiagnosisEngineering | PrioritizationOperationsPortfolio | LearningOperationsImprovement |