A new anti-drug program is instituted at one elementary school. Then the attitudes of the students toward drugs are compared to the attitudes of students at a similar elementary school without the program. What kind of research design is this?
A) a between-subjects experiment
B) a correlational study
C) a nonequivalent groups design
D) a pretest-posttest design

Question

Quizplus · Accepted Answer

This is a nonequivalent groups design because the two groups being compared (students at the school with the anti-drug program and students at the similar school without the program) are not randomly assigned. Therefore, there is a risk of extraneous variables influencing the study's results.

A New Anti-Drug Program Is Instituted at One Elementary School