An Experimenter Tests the Reading Skills of Some 10-Year-Old Children

question 76

Multiple Choice

An experimenter tests the reading skills of some 10-year-old children, puts them on a low-fat diet for 6 months, retests their reading skills, and finds that most show a significant improvement in their reading. The experimenter concludes that a low-fat diet improves intellectual development. One major defect in this study is the lack of any

• A) dependent variables.
• B) demand characteristics.
• C) control group.
• D) independent variables.

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Definitions:

Intellectual Ability

The capacity to think abstractly, reason, understand complex ideas, learn quickly, and adapt to environmental challenges.

High School Graduates

Individuals who have successfully completed the required coursework and examinations to receive a high school diploma.

Economic Growth

An increase in the production of goods and services in an economy over a period of time, often measured as the percent rate of increase in real gross domestic product (GDP).

Capital Goods

Long-lasting tangible assets that businesses use in the production of goods and services, such as machinery, buildings, and equipment.