An Educational Psychologist Wants to Study the Effectiveness of Using

Multiple Choice

An educational psychologist wants to study the effectiveness of using the Internet as an instructional method for academic courses. She designs a study in which one group of students is assigned to take a course in a standard classroom with a live instructor. Another group of students is assigned to take the same course over the Internet. The psychologist then compares the course grades for students in each of the two groups. In this case, the instruction method (regular class vs. Internet class) would be considered the:

A) independent variable.
B) confounding variable.
C) correlational variable.
D) dependent variable.