A Major Problem with Genetic Explanations of Racial Differences in IQ

question 18

Multiple Choice

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.

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Definitions:

Marginal Benefits

The supplementary enjoyment or usefulness gained by consuming or producing another unit of a good or service.

Economic Grounds

The basis for decisions or actions taken to improve financial conditions or stability.

Cost-Benefit Analysis

A methodical strategy for assessing the advantages and disadvantages of various options to identify the most effective method for realizing benefits while conserving resources.

Marginal Cost

The extra cost incurred by producing one more unit of a product or service.