Is an estimation technique used in Agile with the next characteristics:
- This is a rough version and is the simplification of bucket system where there are only three sizes: Large, Small and Uncertain.
- The participants or estimators are asked to place the items in one of the categories. First, the simple user stories are chosen and placed in the large and small categories. Then the complex items are taken up.
- It is a good technique when there are comparable items in the Product Backlog.