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 three colours are the

Question

Quizplus · Accepted Answer

The independent variable is the variable that is being manipulated by the experimenter, in this case, the colour of the background. The dependent variable is the variable that is being measured, which is the amount of information retained by the students. The control variable is any variable that is kept constant throughout the experiment. The random variable is a variable that cannot be controlled and may affect the results of the experiment. In this study, the colour of the background is the independent variable because it is being manipulated by the experimenter to test its effect on the dependent variable, which is the amount of information retained by the students.

A Psychologist Is Conducting an Experiment to Test the Influence