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| Criterion |  Operations Getting Things Done |  Operations Ivy Lee Method |  Delivery Cost of Delay |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | 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 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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | 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 | High | Low |
Timedifferent | 1-2 h Setup, laufend | 5-10 min daily | 90-180 min | 10-20 min daily |
Participantsdifferent | 1 | 1 | 3-8 | 1 |
Formatdifferent | Async | Async | Workshop | Async |
Outputdifferent | Action Lists, Project List, Review Routine | Daily Priority List, Completion Notes | CoD Table, Prioritization Sequence | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ProductivityPlanningTasksExecution | PrioritizationProductivityExecution | PrioritizationDeliveryEconomicsDecision | PlanningTime managementProductivityOperations |