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| Criterion |  Product Discovery Kano Model |  UX Research Diary Study |  Operations ABC 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 experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 1-4 Wochen | 30-60 min |
Participantsdifferent | 10-50 | 5-20 | 1-5 |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Diary Entries, Longitudinal Patterns, Experience Timeline | ABC Classification, Focus Rules, Control List |
Tagsno overlap | SatisfactionPrioritizationCustomer | UX researchTrackingBehavior | PrioritizationOperationsPortfolio |
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