A Researcher Wants to See If a Protein-Enriched Diet Will

Multiple Choice

A researcher wants to see if a protein-enriched diet will enhance the maze-running performance of rats.One group of rats is fed the high-protein diet for the duration of the study; the other group continues to receive ordinary rat chow.In this experiment,the rats' maze-running performance is the

A) correlated variable.
B) control variable.
C) dependent variable.
D) independent variable.