Studies of the impact of socioeconomic status (SES) on mental ability suggest that a. SES only has an impact on IQ scores for particular racial groups. b. SES has no overall impact on mental ability....

Studies of the impact of socioeconomic status (SES) on mental ability suggest that

a. SES only has an impact on IQ scores for particular racial groups.

b. SES has no overall impact on mental ability.

c. individuals with lower SES do not benefit from preschool programs.

d. individuals with higher SES generally demonstrate more mental ability.