The Internal Validity of a Study Refers To

question 2

Multiple Choice

The internal validity of a study refers to:

• A) the confidence one can have in inferring a causal relationship among the variables.
• B) the extent to which the variables represent what they were intended to measure.
• C) the statistical accuracy of the constructs of the study.
• D) the degree of meaning that can be placed upon a set of test results of the study.

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Definitions:

Hyperventilating

Breathing at an abnormally rapid rate, leading to a decrease in carbon dioxide levels in the blood.

Ventilation

The process of providing fresh air to a space or the exchange of air to remove stale air, crucial for maintaining healthy indoor environments.

Lungs

Organs located in the chest on either side of the heart that enable the respiration process by exchanging oxygen and carbon dioxide.

Airway Obstruction

A blockage in any part of the airway that impedes normal breathing, potentially life-threatening if not promptly treated.