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| Criterion |  UX Research Usability Testing |  Operations Ivy Lee Method |  UX Research First-click Testing |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | 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 | 1-2 h je Session | 5-10 min daily | 1-2 Tage | 1-2 h Setup, laufend |
Participantsdifferent | Based on research question | 1 | 10-30 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Daily Priority List, Completion Notes | Click Heatmap, Success Rate, Design Recommendations | Action Lists, Project List, Review Routine |
Tagsno overlap | ValidationUXPrototype | PrioritizationProductivityExecution | UXNavigationFindabilityValidation | ProductivityPlanningTasksExecution |