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| Criterion |  Product Discovery Kano Model |  Agile Specification by Example |  Operations Root Cause Analysis |
|---|---|---|---|
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. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-2 Tage | 60-90 min pro Feature | 1-4 h |
Participantsdifferent | 10-50 | 3-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Example Table, Acceptance Tests | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | SatisfactionPrioritizationCustomer | AgileRequirementsExamplesBehavior-Driven Development | Root causeProblem solvingQualityIncident |
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