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

Question

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The retention of what the students read is the dependent variable, as it depends on the independent variable (colour of background) and is being measured by the psychologist.

A Psychologist Is Conducting an Experiment to Test the Influence