Which Would Be the Most Likely Threat to Internal Validity

question 6

Multiple Choice

Which would be the most likely threat to internal validity for children's depression scores on June 6, 1944, also known as D-Day?

• A) testing effect
• B) instrumentation
• C) history
• D) sensitization effect

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Definitions:

Cell

The basic structural, functional, and biological unit of all known living organisms, a building block of life.

Disease

A condition that negatively affects the structure or function of part or all of an organism, and is not due to any external injury.

Karyogenesis

The process of nucleus formation in cells, especially during cell division.

Distal

Situated farthest from the point of attachment or origin, as of a limb or bone.