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Bill is interested in how people react to news of an impending snow storm. He informs subjects that it is going to snow 2, 6, or 12 inches and then assesses their anxiety levels. The different snow forecasts represent the __________ variable in this study.
Tetralogy of Fallot
A congenital heart defect consisting of four related heart abnormalities that affect blood flow through the heart.
Cyanotic
Having a bluish discoloration of the skin and mucous membranes due to insufficient oxygen in the blood.
Morphine
A powerful opioid analgesic drug used to relieve severe pain, but also associated with a high potential for addiction and dependence.
Congestive Heart Disease
A condition where the heart's function as a pump is inadequate to meet the body's needs, often leading to symptoms like shortness of breath and swelling.
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