Suppose That Answering "True" to the Question "I Drink a Lot

question 82

Multiple Choice

Suppose that answering "true" to the question "I drink a lot of water" happens to help predict depression. Would it be wise to include this item on a test used to identify depression?

• A) yes, because the essential characteristic of a good test is that it predicts relevant behaviors
• B) no, because there is no theoretical link between drinking water and being depressed
• C) yes, because there is a theoretical link between drinking water and being depressed
• D) maybe, depending upon the theoretical orientation of the test developer

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Definitions:

Protozoa Infestation

The invasion and multiplication of protozoa (single-celled organisms) in or on the body of a host, causing disease.

Occult Blood

Occult blood is blood present in such small quantities that it cannot be detected visually, often tested for in stool samples.

Stool Culture

A laboratory test that identifies bacteria or other organisms in a sample of feces, used to diagnose infections of the digestive system.

Oropharynx

The oropharynx is the middle part of the throat that lies behind the mouth, serving as a pathway for food moving from the mouth to the esophagus and air moving to the larynx.