Which of the Following Possibly Accounts for the Performance Improvement

question 7

Multiple Choice

Which of the following possibly accounts for the performance improvement in IQ tests from one generation to the next?

• A) Evolution that occurs slowly.
• B) Galton's prediction that higher birthrates observed among those with lower IQ scores would move IQ scores lower.
• C) Combined effects of improved education,better health and nutrition,experience with testing,and exposure to a broader range of information
• D) All of the above

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Definitions:

Cessation

The action of bringing or coming to an end; a halt.

Teen Birthrate

Teen birthrate refers to the number of live births per 1,000 females within the age group of 15-19 years in a given population.

Ethnic Group

A community or population made up of people who share a common cultural background, ancestry, history, language, or social experiences.

U.S. Population

The total number of people living in the United States, encompassing various ethnicities, cultures, and socio-economic groups.