People Have Considered Various Hypotheses for Why There Is a Difference

question 3

Multiple Choice

People have considered various hypotheses for why there is a difference between the average IQ scores for American Whites and African Americans.Which of the following is NOT an explanation that is supported by evidence?

• A)Genetic factors give White Americans an advantage on the test.
• B)Economic factors lead to higher IQ scores among White Americans than Black Americans.
• C)Stereotype threat causes Black students in America to score lower on intelligence tests.
• D)IQ scores among Black Americans can be improved by reducing stereotype threat.

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Definitions:

Labor Quantity Variance

The difference between the actual hours worked and the standard hours allowed for the work performed, multiplied by the standard hourly wage rate.

Produced

The completed output of goods or services as a result of manufacturing or production processes.

Materials Price Variance

The difference between the actual cost of materials used in production and the expected (or standard) cost of those materials.

Direct Materials Quantity Variance

The variance between the real amount of materials consumed in production and the anticipated standard amount, multiplied by the cost per unit according to standards.