Random Error Refers to Change in the Measurement of a Variable

question 18

Multiple Choice

Random error refers to change in the measurement of a variable that can be attributed to

• A) confounding.
• B) chance
• C) systematic error
• D) the amount of time between measurements

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Definitions:

Bed High Position

An elevated position of a hospital bed to facilitate patient care, respiratory function, or other therapeutic needs.

Night-Light

A small, low-power electrical light fixture often used in bedrooms or hallways to provide illumination during nighttime.

Obstructive Sleep Apnea

A sleep disorder characterized by repeated breathing interruptions during sleep, due to the temporary blockage of the upper airway.

Daytime Sleepiness

A condition characterized by persistent sleepiness and low energy during the day, often due to inadequate sleep or sleep disorders.