Classifying people on the basis of race alone is difficult and probably inconclusive in terms
of intelligence, given all of the following EXCEPT
a. people of different races interbreed.
b. skin pigmentation is uncorrelated with many psychological and physical traits.
c. many environmental factors affect people's physical and intellectual abilities.
d. two black Americans may differ in their IQ scores as much as a black American and a
white American may.
e. interbreeding reduces the effects of genetic isolation.
d. two black Americans may differ in their IQ scores as much as a black American
and a white American may.
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The table that researchers consult in order to determine whether their results are
statistically significant describes a __________ distribution. a. normative b. normal c. standard d. significant e. decision
According to research discussed in your textbook, to which of the following cities would Evan be most drawn if the work opportunities were equal in all of them?
A) Piscataway, New Jersey B) Evanston, Indiana C) Minneapolis, Minnesota D) Pittsburgh, Pennsylvania