A Psychologist Is Conducting an Experiment to Test the Influence

Multiple Choice

A psychologist is conducting an experiment to test the influence that coloured backgrounds of pages in textbooks have on the amount of information retained by students. She has a short text printed in three versions, each with a different colour of background. After students in three separate groups read their assigned text, she tests the students' retention. In this study, the retention of what the students read is the

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