Dr. Williams wants to know if room temperature will influence a student's performance on exams. She randomly determines which classes will receive the experimental condition in which she increases the temperature in the classroom. What is the independent variable (IV)?

Question

Quizplus · Accepted Answer

The independent variable (IV) is the variable that is being manipulated or changed in the experiment, in this case, the room temperature. The other variables listed, such as performance on exams, college students, and expectation of increased performance, are not being manipulated or changed by the researcher in this experiment, and are therefore not the independent variable.

Dr Williams Wants to Know If Room Temperature Will Influence