Random Assignment Creates Equal Groups When

question 38

Multiple Choice

Random assignment creates equal groups when

• A) instrumentation is not a factor in your experiment.
• B) testing effects have been controlled in your experiment.
• C) maturation has been controlled in your experiment.
• D) the sample size is large.

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Definitions:

Diethyl Ether

An organic compound commonly used as a solvent, characterized by an oxygen atom connecting two ethyl groups.

1-Butanol

A primary alcohol with the chemical formula C4H9OH, characterized by a four-carbon straight chain terminating in a hydroxyl group.

PhCHO

Formaldehyde with a phenyl group, also known as benzaldehyde, a common organic compound used in synthesis.

Reagents

Substances or compounds added to a system to cause a chemical reaction.