Your Text Describes a Study (Castellanos Et Al

question 8

Multiple Choice

Your text describes a study (Castellanos et al.,2002) in which MRI was used to scan the brains of children with and without ADHD.Which of the following was true of this study?

• A) It was a functional MRI study.
• B) The authors compared the volumes of the motor cortices in the two groups.
• C) The authors found that children with ADHD showed a reduction in frontal cortex volume compared to children without ADHD.
• D) Researchers found no differences in the size of brain regions between the groups, lending more support for an environmental theory of the disorder.

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Definitions:

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company. This includes material and labor costs.

Debt-to-Equity Ratio

A financial metric that shows the balance between the equity provided by shareholders and the debt leveraged to support a company's assets.

Working Capital

The difference between a company's current assets and current liabilities, indicating the liquidity available for its day-to-day operations.

Long-term Liabilities

Financial obligations of a business that are due more than one year in the future, such as bonds payable or long-term loans.