Which of the following statements about group differences in IQ scores of American children is true?
A) American white children score, on average, 4 to 8 IQ points below American black children.
B) American black children fall midway between white and Hispanic children in average IQ score.
C) Although the difference in IQ scores between black and white children has been shrinking over the past several decades, a substantial gap remains.
D) The difference in IQ scores between black and white children has grown significantly over the past several decades.
Answer: C
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A key idea that emerged from Kahneman and Tversky's research is that people often behave
A) irrationally. B) logically and reasonably. C) rationally. D) in an unbiased fashion.
Using factor analysis, Raymond Cattell determined that there is a factor of general intelligence, or "g," underlying all intelligent performance; each individual domain also has associated with it specific skills that he called "s."
a. true b. false