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| Criterion |  UX Research Diary Study |  Operations ABC Analysis |  UX Research Contextual Inquiry |  Operations After-Action Review |
|---|---|---|---|---|
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. | 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. | 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. | 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 | Low | Medium | Low |
Timedifferent | 1-4 Wochen | 30-60 min | 1-3 Wochen | 20-45 min |
Participantsdifferent | 5-20 | 1-5 | 4-12 Beobachtungen | 3-12 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | ABC Classification, Focus Rules, Control List | Field Notes, Workflow Insights, Pain Points | Lessons learned, Action items, Event summary |
Tagsno overlap | UX researchTrackingBehavior | PrioritizationOperationsPortfolio | UX researchObservationContext | LearningOperationsImprovement |