When an Intelligence Test Made Up of 100 Words Selected

Multiple Choice

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 scored​

A) ​the same as the European-American group.
B) ​an average of five points higher than the European-American group.
C) ​an average of 16 points higher than the European-American group.
D) ​an average of 36 points higher than the European-American group.