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| Criterion |  UX Research Diary Study |  Product Discovery Kano Model |  UX Research Contextual Inquiry |  Operations ABC Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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 work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | 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 | Medium | Low |
Timedifferent | 1-4 Wochen | 1-2 Tage | 1-3 Wochen | 30-60 min |
Participantsdifferent | 5-20 | 10-50 | 4-12 Beobachtungen | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Kano Matrix, Feature Classes, Priority Themes | Field Notes, Workflow Insights, Pain Points | ABC Classification, Focus Rules, Control List |
Tagsno overlap | UX researchTrackingBehavior | SatisfactionPrioritizationCustomer | UX researchObservationContext | PrioritizationOperationsPortfolio |