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| Criterion |  Agile Affinity Estimation |  Operations Getting Things Done |  Agile Bucket System |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | 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 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. | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | 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 | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-2 h Setup, laufend | 30-90 min | 5-10 min daily |
Participantsdifferent | 3-12 | 1 | 3-12 | 1 |
Formatdifferent | Workshop | Async | Workshop | Async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Action Lists, Project List, Review Routine | Bucketed Backlog, Relative Estimates, Split Candidates | Daily Priority List, Completion Notes |
Tagsno overlap | EstimationBacklogRelative sizing | ProductivityPlanningTasksExecution | EstimationBacklogRelative sizing | PrioritizationProductivityExecution |