The World's Population

question 38

Multiple Choice

The world's population

• A) seems to be stabilizing at about 6 ½ billion people.
• B) is increasing exponentially and may have dire results.
• C) may decline by mid-century if AIDS and other communicable diseases are not controlled.
• D) is concentrated mostly in Africa.
• E) is predicted to be rebalanced sometime during the 21st century by a global catastrophe.

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Definitions:

Discriminant Validity

A method of demonstrating construct validity by correlating a test with other dissimilar instruments to ensure lack of a relationship.

Intelligence Test

Individual tests that assess a broad range of cognitive capabilities that generally results in an “IQ” score. Often used to identify mental retardation, giftedness, learning disabilities, and general cognitive functioning. It is a type of aptitude test.

Statistical Analysis

Involves mathematical techniques for collecting, reviewing, analyzing, and drawing conclusions from data.

Experimental Design Validity

Using experimentation to show that a test measures a specific concept or construct. It is a type of construct validity.