The Proportion of a Sample That Completes and Returns a Questionnaire

question 49

Multiple Choice

The proportion of a sample that completes and returns a questionnaire or agrees to be interviewed is called:

• A)the response rate.
• B)the sampling frame.
• C)the unit of analysis.
• D)the interview schedule.

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Definitions:

Visual Accommodation

The adjustment of the lens of the eye to focus on objects at varying distances.

Pupillary Constriction

The narrowing of the pupils, the central opening of the eyes, often in response to light exposure or during the process of focusing on near objects.

Peripheral Vision

The ability to see objects and movement outside of the direct line of vision.

Snellen Eye Chart

A chart used to measure visual acuity, consisting of rows of letters decreasing in size, used by healthcare professionals during eye examinations.