Increase in brain weight during the preschool years is due to the:
A) increase in thickness of the skull.
B) continuing myelination of nerve fibers.
C) increase in size of the spinal cord.
D) continuing of growth of the medulla.
Question 2
Edward is a 50-year-old who has two grandsons. He encourages his grandsons to play outdoors every day and eat healthy food. He also teaches them to be polite. He believes these are essential habits. The information passed on by Edward to his grandsons illustrates his _____.
A) reaction time
B) crystallized intelligence
C) interindividual variability
D) existential intelligence