Social Class Differences in IQ Are Best Explained by

question 34

Multiple Choice

Social class differences in IQ are best explained by

• A)the environmental hypothesis.
• B)the cultural test-bias hypothesis.
• C)a nutritional/general health hypothesis.
• D)the genetic hypothesis.

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Definitions:

Marginal Revenue

The additional income earned by selling one more unit of a product or service.

Profit-Maximizing Level

The point at which a firm produces at a level where the difference between total revenue and total cost is the greatest.

Marginal Revenue

The additional income earned by selling one more unit of a good or service.

Normal Good

A product or service whose demand increases as consumers' income increases, typically reflecting higher purchasing power.