Given a Sample of Those Who Did Not Respond to a Mailed

question 46

Multiple Choice

Given a sample of those who did not respond to a mailed questionnaire, the main purpose for interviewing the sample is to

• A) increase the size of the sample.
• B) attempt to change the results that the investigator did not like.
• C) discover which items were unclear to the subjects.
• D) determine whether non-respondents differ from respondents.
• E) determine what the non-respondents think about the questionnaire.

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Definitions:

Central Nervous System

The complex network of nerve tissues that controls the activities of the body, comprising the brain and spinal cord.

Bitter Taste

One of the basic taste sensations, perceived primarily by the taste buds, and is generally considered undesirable or unpleasant by many humans.

Cough Syrup

A medication used to alleviate symptoms associated with coughs and colds by suppressing cough reflexes or loosening mucus.

Skin Senses

The ability to perceive touch, temperature, pressure, and pain through the skin, one of the body's largest sensory organs.