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| Criterion |  Operations Ivy Lee Method |  Decision Making PERT Estimation |  Operations Getting Things Done |
|---|---|---|---|
Purposedifferent | 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. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | 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 | Medium | Medium |
Timedifferent | 5-10 min daily | 15-45 min | 1-2 h Setup, laufend |
Participantsdifferent | 1 | 1-8 | 1 |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Daily Priority List, Completion Notes | PERT Estimate, Expected Value, Risk Notes | Action Lists, Project List, Review Routine |
Tagsno overlap | PrioritizationProductivityExecution | EstimationUncertaintyRisk | ProductivityPlanningTasksExecution |
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