Define Internal and External Validity

question 14

Essay

Define internal and external validity. Which do researchers generally regard as more important, and why?

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Definitions:

Head Injury

Physical trauma to the head, which can affect the scalp, skull, brain, or underlying tissues.

Metabolic Acidosis

A medical condition characterized by an increase in acidity in the blood and body tissues, often due to kidney failure or excessive acid production.

Intravenous Catheter

A thin tube inserted into a vein, used for the administration of fluids, medications, or to obtain blood samples.

Dominant Arm

The arm that is primarily used for tasks and is typically stronger and more dextrous than the other arm.