Which Statement Describes the Development of Processing Speed Between Ages

Multiple Choice

Which statement describes the development of processing speed between ages 6 and 23?

A) ​Time needed to respond decreases at a consistent rate.
B) ​Time needed to respond decreases until about age 17 and then levels off.
C) ​Time needed to respond is constant until about age 17 and then decreases significantly.
D) ​Time needed to respond increases at a consistent rate.