- Yes, it is ok, the team needs to be managed by the Scrum Master who decides when to adjust.
- Yes, if the Product Owner approves
- No, use the time box to help detect when things are not well understood and where clarity is needed. Time boxes bring rhythm
- Sometimes, if the Product Owner and Scrum Master agree
A time box is a common practice underlying most agile processes especially, Scrum. Time boxing is a the closest thing in agile or scrum that we have to something that is clearly a best practice. Most managers or early adopters of Scrum wonder what they do to create a sense of urgency and the answer is simple “Time Box”.
In Scrum we have 6 formal timeboxes.
- Release Planning
- Sprint Planning
- Daily Standup
- Sprint Review
- Sprint Retrospective
Time boxes are a key element in Scrum. They form the a bases for how we manage the team’s energy. The general rule in using time boxes is to not adjust the time once you have set it. When the clock runs out the bell “dings” and things change.
#1 mistake those new to Scrum make is to adjust the sprint length to give the team more time to complete their work. Basic Scrum training should cover and provide an in depth explanation of why not to adjust the time box.