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 _____ variable.

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