A Researcher Is Studying the Social Habits of 100 Male

question 5

Multiple Choice

A researcher is studying the social habits of 100 male college students. She divides the subjects into two groups with each individual having the same likelihood of being in either group. This is called ______.

• A) laboratory experimentation
• B) field research
• C) systematic assignment
• D) random assignment

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Definitions:

Stroke

A medical condition caused by interruption of blood supply to the brain, resulting in brain injury.

Ischemia

Reduced blood supply to an area of the body.

Popliteal Artery

The artery located at the back of the knee, which supplies blood to the lower leg.

Femoral Artery

A major blood vessel of the lower limb, supplying oxygenated blood to the leg.