Concerning stability over time,
a. IQ scores become increasingly unstable as one matures.
b. IQ is strongly stable from preschool age and later.
c. IQ is more stable for girls than for boys.
d. IQ is more stable for some individuals than for others.
Question 2IQ scores are good estimators of the child's
a. innate genetic potential in the cells' genotype.
b. intellectual performance at that time.
c. crystallized intelligence.
d. racial group identity.
Question 3Accelerated IQ gains during childhood are especially likely for children
a. whose parents provide an intellectually stimulating home environment.
b. who were born to abusive or neglectful parents.
c. with resilient genotypes that guarantee their success
d. who were fed smart food or given smart pills..
Question 4Beginning with IQs measured at age ____, there is a moderate correlation with IQ measured at later ages.
a. one
b. two
c. four
d. six
Question 5Which of these measures of infant performance is known to predict later IQ of preschoolers or grade-schoolers?
a. Rate of habituation to repeated stimuli
b. Age at which object permanence is achieved
c. Variety of facial expressions that can be imitated
d. Circularity of circular reactions
Question 6Which of these measures of infant performance is known to predict later IQ of preschoolers or grade-schoolers?
a. Variety of facial expressions
b. Type of temperament
c. Strength of the palmar grasp reflex
d. Visual reaction time