An administrator believes that the placement of motivational posters on the walls in classrooms of academic buildings will lead to increased GPAs (grade point averages)at his school.To test his theory,he randomly assigns certain classrooms within the university's Faculty of Science to have the posters while others do not.None of the remaining four faculties will have any posters placed in their classrooms.What is the independent variable in this study?
A)faculties
B)classroom posters
C)gender of the student
D)grade point average

Question

Quizplus · Accepted Answer

The independent variable in this study is the placement of motivational posters on the walls in certain classrooms, which is the only variable that is manipulated by the administrator. The other options (faculties, gender of the student, grade point average) are either controlled or dependent variables.

An Administrator Believes That the Placement of Motivational Posters on the Walls