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You Are an Epidemiologist, and You Want to Find Out

question 4

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You are an epidemiologist, and you want to find out why some people exposed to the flu actually get the flu and others exposed to the flu do not get it. Which study design should you use?


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.

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