According to research (Fox, Hershberger, & Bouchard, 1996), who is most likely to reach milestones in motor development at the same time?
a. fraternal twins
b. two brothers
c. identical twins
d. two sisters
Question 2
A spurt in myelination occurs between the ages of 6 and 13 years in parts of the brain associated with ____.
a. visual acuity
b. emotional functioning
c. language and spatial relations
d. memory
