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| Criterion |  UX Research Usability Testing |  Operations Time Blocking |  Operations Ivy Lee Method |  Operations ALPEN Method |
|---|---|---|---|---|
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 calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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 an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h je Session | 15-30 min Planung, laufend | 5-10 min daily | 10-20 min daily |
Participantsdifferent | Based on research question | 1 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Blocked Calendar, Capacity View, Focus Plan | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ValidationUXPrototype | PlanningTime managementFocus | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations |