Studies of adopted children who were at high-risk for developing schizophrenia found that which of the following appeared to increase the likelihood that these children would show high levels of thought disorders?

Mental age, as measured by a Binet-type test

(a) levels off at about 55 years of age (b) levels off at about 18 years of age (c) does not level off; it rises in a linear fashion with age throughout life (d) stays constant because it is a ratio

Which of the following statements regarding the relationship between intelligence scores and socioeconomic status is FALSE?

A) Research evidence has been unable to find any consistent relationship between intelligence test scores and socioeconomic status. B) Children living in poverty have fewer educational opportunities, and that could lead to lower IQ scores. C) In the United States, ethnic minority children are overrepresented in the lower socioeconomic classes. D) When socioeconomic status is held constant, the mean IQ differences between Caucasians and African-Americans is reduced.