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| Criterion |  UX Research Card Sorting |  Operations ABC Analysis |  Operations Ivy Lee Method |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 20-45 min | 30-60 min | 5-10 min daily | 10-20 min daily |
Participantsdifferent | Based on research question | 1-5 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Content groups, Label set, IA hypotheses | ABC Classification, Focus Rules, Control List | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | Information architectureNavigationStructure | PrioritizationOperationsPortfolio | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations |