Regarding the Performance of Various Ethnic Groups on IQ Tests

Multiple Choice

Regarding the performance of various ethnic groups on IQ tests, which of the following statements is FALSE?

A) Historically, African-American children have scored an average of 15 points lower on standardized IQ tests than European-American children,although this gap has been reduced by one-third since 1972.
B) As a group, Japanese-American children score above average on IQ tests.
C) When an intelligence test made up of 100 words selected from the Dictionary of Afro-American Slang was given to 100 African-American and 100 European- American high school students, the African-American group averaged 36 points higher than the European-American group.
D) One study found that placing poor African-American children into European-American adoptive families had no effect on the children's IQs.