Which of the Following Would Be an Example of Selection

question 19

Multiple Choice

Which of the following would be an example of selection bias?

• A) volunteers
• B) random assignment to experimental and control groups
• C) matching on experimental and comparison groups
• D) making sure that the quotas are the same for the experimental and comparison groups with respect to important variables

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Definitions:

Internal Carotid Artery

A major artery located in the head and neck that supplies blood to the brain, eyes, eyelids, forehead, nose, and internal ear.

Carotid Canal

A passageway in the temporal bone of the skull that carries the internal carotid artery to the brain.

Jugular Foramen

A large opening in the base of the skull that transmits the internal jugular vein and several cranial nerves.

Foramen Ovale

An opening in the septum between the two atria of the heart that is present in the fetus and typically closes shortly after birth.