An Experiment Is Conducted to Test a New Antianxiety Drug

Multiple Choice

An experiment is conducted to test a new antianxiety drug. After taking the drug, 35 percent of the participants receiving the medication report less anxiety, compared to 36 percent of those taking a placebo. The researchers should conclude that:

A) participants knew which group they were in.
B) the medication itself probably has no real effect on anxiety.
C) the drug actually increases anxiety.
D) the drug is an effective treatment for anxiety.