In a Study Designed to Test a New Antidepressant, Researchers

question 195

Multiple Choice

In a study designed to test a new antidepressant, researchers randomly assigned a large number of psychiatric outpatients to one of two groups. Group A was given the active drug. Group B was given an identical-looking inert drug. Three psychologists independently used the Beck Depression Inventory to measure the participants' level of depression after two weeks. The independent variable in this study was the:

• A) drug.
• B) level of agitation.
• C) Beck Depression Inventory.
• D) assignment of the participants to groups.

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Definitions:

Crowning

The moment during childbirth when the baby's head is visible at the vaginal opening before being born.

Pudendal Block

A regional anesthesia administered in the pudendal nerve area to relieve pain during childbirth.

Epidural Block

A medical procedure that involves injecting anesthetic near the spinal cord to block pain, commonly used during childbirth.

Insistent Cry

A persistent and forceful crying in infants, which may indicate distress, discomfort, or the need for attention from caregivers.