In a drug treatment study, participants given a pill containing no actual drug are receiving a(n)
A) random sample.
B) experimental treatment.
C) double-blind.
D) replication.
E) placebo.
Answer: E
In a drug treatment study, participants given a pill containing no actual drug are receiving a(n)
A) random sample.
B) experimental treatment.
C) double-blind.
D) replication.
E) placebo.
Answer: E