How often should Scrum Team membership change?

A. As needed, while taking into account a short term reduction in productivity.
B. Never, because it reduces productivity
C. As needed, with no special allowance for changes in productivity
D. Every Sprint to promote shared learning

Correct Answer: A

A Scrum team must remain agile so changing members when it is needed should be possible, keeping in mind that there might be a short-term reduction in Productivity. Some Organizations even go as far as to change the members every 12-18 months, but this is not required according to Scrum