How Have the Relative Scores of Blacks and Whites on IQ

question 105

Multiple Choice

 How have the relative scores of Blacks and Whites on IQ tests changed over time,if at all?

• A)The difference between the mean scores has fluctuated up and down repeatedly.
• B)The trend has been for the difference between Blacks and Whites to increase.
• C)The trend has been for the difference between Blacks and Whites to decrease.
• D)The difference between Blacks and Whites has remained constant for many decades.

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Definitions:

Bottleneck Procedure

A method or process in manufacturing or production that significantly slows down or impedes overall workflow due to limited capacity or resources.

Economies Of Scale

Cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.

Decreasing Returns To Scale

See Diseconomies of scale.

Economies Of Scope

Exist when the cost of producing two products jointly is less than the cost of producing those two products separately.