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| Criterion |  Operations ALPEN Method |  Operations Ivy Lee Method |  Operations Getting Things Done |  Operations ABC Analysis |
|---|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 10-20 min daily | 5-10 min daily | 1-2 h Setup, laufend | 30-60 min |
Participantsdifferent | 1 | 1 | 1 | 1-5 |
Formatsame | Async | Async | Async | Async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Daily Priority List, Completion Notes | Action Lists, Project List, Review Routine | ABC Classification, Focus Rules, Control List |
Tagsno overlap | PlanningTime managementProductivityOperations | PrioritizationProductivityExecution | ProductivityPlanningTasksExecution | PrioritizationOperationsPortfolio |