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| Criterion |  UX Research Contextual Inquiry |  Operations ABC Analysis |  Operations Ivy Lee Method |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | 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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-3 Wochen | 30-60 min | 5-10 min daily | 1-2 h Setup, laufend |
Participantsdifferent | 4-12 Beobachtungen | 1-5 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Field Notes, Workflow Insights, Pain Points | ABC Classification, Focus Rules, Control List | Daily Priority List, Completion Notes | Action Lists, Project List, Review Routine |
Tagsno overlap | UX researchObservationContext | PrioritizationOperationsPortfolio | PrioritizationProductivityExecution | ProductivityPlanningTasksExecution |