Which of the following statements is supported by research on gender differences in
intellectual performance?
A)In early childhood, boys are slightly ahead of girls in verbal ability, a trend which
continues into adolescence.
B)Throughout childhood and adolescence, girls do better than boys at abstract
mathematical problem solving.
C)By adolescence, girls are far ahead of boys in verbal ability, even when tests are not
heavily weighted with writing.
D)Girls score slightly higher than boys on tests of verbal ability in middle childhood and
adolescence.
Research on sleep demonstrates that
A)most American parents cosleep with their children into the preschool years.
B)sleepwalking in early childhood often signals a severe neurological problem.
C)parent-child cosleeping is associated with sleep disorders during the preschool years.
D)sleep terrors can be triggered by stress or extreme fatigue.
Arthur Jensen’s “How Much Can We Boost IQ and Scholastic Achievement?” claims that