The term "comparison group" in research refers to the group of patients in a:
A) nonrandom sample who do not receive a treatment.
B) nonrandom sample who receive a treatment.
C) random sample who do not receive a treatment.
D) random sample who receive a treatment.

Question

Quizplus · Accepted Answer

If nonrandom methods are used for sample selection, the group not receiving a treatment is referred to as a comparison group.
Subjects in the group that receive a treatment are called the treatment or experimental group. If nonrandom methods are used for sample selection, the group not receiving a treatment is referred to as a comparison group.
Subjects drawn from a random sample who do not receive a treatment are called the control group. If nonrandom methods are used for sample selection, the group not receiving a treatment is referred to as a comparison group.
Subjects in the group that receive a treatment are called the treatment or experimental group. If nonrandom methods are used for sample selection, the group not receiving a treatment is referred to as a comparison group.

The Term "Comparison Group" in Research Refers to the Group