Which of the Following Would Be Considered a Threat to Internal

question 15

Multiple Choice

Which of the following would be considered a threat to internal validity?

• A) Selection bias
• B) Statistical power
• C) Effect size
• D) Improper use of statistical tests

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Definitions:

Rusting

The chemical process involving the oxidation of iron or steel, resulting in the formation of iron oxides, particularly Fe2O3 and Fe3O4.

Redox Reactions

Chemical reactions where electrons are transferred between two substances, involving oxidation and reduction processes.

Neutralization Reactions

Chemical reactions in which an acid and a base react quantitatively to form water and a salt.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms.