For the experiment described in given Exercise, identify the dependent and independent variables. Indicate whether each variable is quantitative or qualitative.
Exercise
Twenty accounting students are randomly assigned to two different sections of an intermediate accounting class. Each section ends up consisting of 10 students. In one of the sections, computer-assisted instruction and review software is utilized; in the other section, it is not. All students are given the same final examination at the end of the semester. Does this represent a designed experiment? Explain.