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| Criterion |  UX Research User Interviews |  Operations ABC Analysis |  Operations ALPEN Method |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 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. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30–60 min per interview | 30-60 min | 10-20 min daily | 5-10 min daily |
Participantsdifferent | 1 participant per interview | 1-5 | 1 | 1 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Interview Notes, Themes, Insight Summary | ABC Classification, Focus Rules, Control List | Daily Plan, Time Estimates, Review Notes | Daily Priority List, Completion Notes |
Tagsno overlap | QualitativeResearchCustomerDiscovery | PrioritizationOperationsPortfolio | PlanningTime managementProductivityOperations | PrioritizationProductivityExecution |