Estimations are based the agreed size measurement for the Stories in a Product Backlog. Done by the Team during Refinement, usually using Planning Poker. Estimations are not part of an Event, they are an important part of the Refinement process.
Approx. 1/3 of Refinement time.
During each Refinement.
Scrum Master
(Scrum Master)
Product Owner
Development Team
Estimated PBIs
Adequate Estimation method
Refined PBI Estimations
Splitted User Stories
Improved Understanding of PBIs