Last week I did two estimation session coachings. One team’s product consists of modules made with different programming languages. A team member asked me about estimation of a story that include implementations in languages he does not work with.
Another team member answered before I was able to react – there is business value only when the story is complete and not per module of a specific language. Hence, the whole team should share their experience in order to be able to estimate.
I couldn’t have explain it better. Additionally I called the teams attention to the first statement I made at the beginning of the coaching: Primary goal of estimation sessions is to share knowledge and experience ( to empower everyone in the team to estimate ).