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| Criterion |  Facilitation Dot Estimation |  Agile Specification by Example |  Agile Affinity Estimation |  Agile Ideal Days |
|---|---|---|---|---|
Purposedifferent | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | 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 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 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 | Low | Medium | Medium | Low |
Timedifferent | 5-20 min | 60-90 min pro Feature | 30-90 min | 15-60 min |
Participantsdifferent | 3-20 | 3-6 | 3-12 | 2-9 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Example Table, Acceptance Tests | Affinity Size Map, Grouped Estimates, Unclear Items | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | EstimationEffortRisk | AgileRequirementsExamplesBehavior-Driven Development | EstimationBacklogRelative sizing | EstimationEffortAgile |