In the Case of _____, One Wants to Know Whether

question 128

Multiple Choice

In the case of _____, one wants to know whether the experimental methods are free from biases and logical errors that may render the results suspect.

• A)internal validity
• B)external validity
• C)face validity
• D)reliability

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Definitions:

Oxygen

A chemical element with symbol O, essential for cellular respiration in most aerobic organisms.

Nitrogen

A chemical element with symbol N and atomic number 7, essential for life's building blocks like amino acids, proteins, and nucleic acids.

Carbon

A chemical element with symbol C, essential as the basis for all known living organisms, and forming the basis of organic chemistry.

Enzymes

Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.