At Folger U

question 176

Multiple Choice

At Folger U., Drs. Chase and Sanborn are conducting an experiment on the effects of caffeine on memory. Participants are randomly assigned to a caffeine or a no-caffeine group; their recall of items on a word list is later assessed. Which pair below correctly identifies a variable in this experiment?

• A) caffeine - dependent variable
• B) caffeine - independent variable
• C) word recall - independent variable
• D) word recall - experimental variable

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Definitions:

Relaxation Techniques

Methods or practices used to reduce stress, tension, and anxiety in the body and mind.

Stress

A physical or psychological response to internal or external pressures, perceived as challenging or threatening to an individual's well-being.

Exercise

Physical activities undertaken to improve or maintain one's health and physical fitness.

Reduce

To make smaller or less in amount, degree, or size; a process of diminishing or decreasing.