The Procedure Designed to Ensure That the Experimental and Control

question 8

Multiple Choice

The procedure designed to ensure that the experimental and control groups do not differ in any way that might affect the experiment's results is called

• A) variable controlling.
• B) random assignment.
• C) representative sampling.
• D) stratification.

---

Definitions:

Ethanol

A volatile, flammable, colorless liquid alcohol, commonly used as a solvent, in medical applications, and as a recreational beverage.

Carbon Compounds

Organic molecules that contain carbon atoms bonded to hydrogen, oxygen, nitrogen, or other elements.

3-Phenylpentan-3-ol

An organic compound characterized by a five-carbon chain with a phenyl group attached to the third carbon and an alcohol group on the same carbon.

Benzoic Acid

A simple aromatic carboxylic acid, its salts are used as food preservatives.