Random Assignment Is Used to Control for

question 49

Multiple Choice

Random assignment is used to control for

• A) subject bias.
• B) the placebo effect.
• C) selection bias.
• D) experimenter bias.

---

Definitions:

Heating Pads

Devices generating heat, often electrically powered, used to warm parts of the body to relieve pain or discomfort.

Carotid Artery

A major blood vessel in the neck that supplies blood to the brain, neck, and face.

Radial Artery

A major artery in the forearm that supplies blood to the hand and arm, palpable at the wrist.

Bradycardia

A slower than normal heart rate, typically defined as fewer than 60 beats per minute in adults.