Extraneous Variables

question 10

Multiple Choice

Extraneous variables

• A) provide a complementary reason for variation in the dependent variable.
• B) always occur after the independent and dependent variables.
• C) produces changes in the independent variable.
• D) comes in between the independent and dependent variables.
• E) comes before the independent and dependent variables.

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Definitions:

Pulmonary Disease

A term for diseases affecting the lungs and other parts of the respiratory system.

Exhale

To breathe out; the process of releasing air from the lungs.

Empyema

The accumulation of pus within a naturally existing anatomical cavity, usually referring to the pleural space.

Pleural Cavity

The thin fluid-filled space between the two pulmonary pleurae (visceral and parietal) of each lung.