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| Criterion |  Operations ABC Analysis |  Agile Affinity Estimation |  Operations Ivy Lee Method |
|---|---|---|---|
Purposedifferent | 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. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-60 min | 30-90 min | 5-10 min daily |
Participantsdifferent | 1-5 | 3-12 | 1 |
Formatdifferent | Async | Workshop | Async |
Outputdifferent | ABC Classification, Focus Rules, Control List | Affinity Size Map, Grouped Estimates, Unclear Items | Daily Priority List, Completion Notes |
Tagsno overlap | PrioritizationOperationsPortfolio | EstimationBacklogRelative sizing | PrioritizationProductivityExecution |
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