James Reads a Magazine Ad About a Drug That Doctors

Multiple Choice

James reads a magazine ad about a drug that doctors say may help college students perform better on multiple-choice type tests.Being the inquisitive person that he is,James decides to do an experiment to see if the magazine's claims are true.He administers the drug to one of his classes,and gives the other class a placebo.James then tests the students in both groups on material they have recently discussed in class.In this example,the experimental group is the ____.

A) students who received the drug
B) students who received the placebo
C) test performance of the students
D) age of the students