A major problem with genetic explanations of racial differences in IQ is that ________
a. although intelligence differs between groups, it does not differ within groups.
b. heritability estimates used in supporting genetic explanations of group differences are based mainly on white samples.
c. the studies typically use black and white children from highly similar socioeconomic groups.
d. the explanations are based on linkage studies.
Answer: b
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If a psychologist summarizes data for a variable in a frequency table, but finds that there are so many values for the variable that the table is too cumbersome to be useful, the next step would be to make a
A) histogram. B) frequency polygon. C) grouped frequency table. D) bar chart.
The "front page test" suggests that some ethical systems rank higher than others, depending on the situation, and one should follow whichever is on the "front page" at that time.
Answer the following statement true (T) or false (F)