Physical Variables When Heather Ran All the Subjects in Condition

question 40

Multiple Choice

Physical Variables When Heather ran all the subjects in condition A on Thursday and those in condition B on Friday, she confounded her experiment with a ____ variable.

• A)context
• B)personality
• C)physical
• D)social

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Definitions:

Coronary Heart Disease (CHD)

Coronary Heart Disease (CHD) is a condition characterized by reduced blood flow to the heart muscle due to plaque buildup in the coronary arteries, leading to heart attacks and chest pain.

Atherosclerosis

A condition characterized by the buildup of fats, cholesterol, and other substances in and on the artery walls, which can restrict blood flow.

Inflammatory Heart Disease

A condition caused by inflammation of the heart muscles or tissues, which can lead to various health complications, including myo- and pericarditis.

Valvular Heart Disease

A condition characterized by damage to or a defect in one of the four heart valves, affecting the blood flow through the heart.