In a Study Examining the Link Between Differences in Brain

question 30

Multiple Choice

In a study examining the link between differences in brain development to differences in intelligence, Shaw et. al. (2006) discovered that children of superior intelligence have:

• A) bigger brains.
• B) a thicker cortex throughout childhood.
• C) a thinner cortex throughout childhood.
• D) cortexes that thin and thicken at a rapid rate throughout childhood.

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Definitions:

Marginal Cost

The added cost of producing one additional unit of a product or service.

Mineral Water

A type of water that contains various minerals and is often bottled and sold for consumption.

Monopsonist

A market condition where there is only one buyer facing many sellers, giving the buyer substantial control over the market price.

Supply Curve

A visual diagram illustrating the connection between a product's price and the amount of the product that sellers are prepared to offer.