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| Criterion |  Agile Planning Poker |  Agile Specification by Example |  Agile Ideal Days |  Agile Bucket System |
|---|---|---|---|---|
Purposedifferent | When estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 2-5 min je Item | 60-90 min pro Feature | 15-60 min | 30-90 min |
Participantsdifferent | 3-9 | 3-6 | 2-9 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Relative Estimates, Assumption Notes, Split Candidates | Example Table, Acceptance Tests | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | EstimationAgileRelative sizingTeam | AgileRequirementsExamplesBehavior-Driven Development | EstimationEffortAgile | EstimationBacklogRelative sizing |