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| Criterion |  Operations ALPEN Method |  UX Research User Interviews |  Operations Ivy Lee Method |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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 | Low | Low | Low | Medium |
Timedifferent | 10-20 min daily | 30–60 min per interview | 5-10 min daily | 1-2 h Setup, laufend |
Participantsdifferent | 1 | 1 participant per interview | 1 | 1 |
Formatdifferent | Async | Workshop + async | Async | Async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Interview Notes, Themes, Insight Summary | Daily Priority List, Completion Notes | Action Lists, Project List, Review Routine |
Tagsno overlap | PlanningTime managementProductivityOperations | QualitativeResearchCustomerDiscovery | PrioritizationProductivityExecution | ProductivityPlanningTasksExecution |