In a Study to Determine Whether Placement on a Water

question 28

Multiple Choice

In a study to determine whether placement on a water pillow affects head shape in preterm infants,the first 50 preterm infants admitted to a newborn intensive care unit during a specific year were assigned to either a usual-care group or a treatment group placed on water pillows.What type of sampling strategy is represented by this research plan?

• A) Quota
• B) Random
• C) Purposive
• D) Stratified

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Definitions:

Weber Test

A quick screening test for hearing that involves placing a tuning fork in the center of the forehead to help diagnose unilateral (one-sided) hearing loss.

Snellen Test

A visual acuity test using a chart with letters of varying sizes to determine how well a person can see at a distance.

Cutaneous Receptor

A type of sensory receptor found in the dermis or epidermis of the skin that responds to tactile stimuli.

Ruffini Ending

A type of nerve ending found in the skin that detects stretching, deformations within joints, and warmth.