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| Criterion |  Agile Affinity Estimation |  Agile Scrum |  Agile Bucket System |  Agile Ideal Days |
|---|---|---|---|---|
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. | When a team needs to work in a fixed delivery rhythm, it stabilizes cadence, responsibility, and feedback loops. It makes collaboration reliable across sprint boundaries. | 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. | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-4 Wochen je Sprint, laufend | 30-90 min | 15-60 min |
Participantsdifferent | 3-12 | 3-10 (Scrum Team) | 3-12 | 2-9 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Product Backlog, Sprint Backlog, Increment, Sprint Goal | Bucketed Backlog, Relative Estimates, Split Candidates | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | EstimationBacklogRelative sizing | AgileIterationCadence | EstimationBacklogRelative sizing | EstimationEffortAgile |