Extraneous variables are also called confounding variables.

Name: Extraneous variables are also called confounding variables.
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This statement is true. Extraneous variables can affect the relationship between two variables being studied, and may make it difficult to determine the true cause-and-effect relationship. They are also known as confounding variables because they can confound or complicate the analysis of data.

Extraneous Variables Are Also Called Confounding Variables