What Characteristic Distinguishes the Pretest-Posttest Control Group Design from the Nonequivalent

Multiple Choice

What characteristic distinguishes the pretest-posttest control group design from the nonequivalent control group design?

A) Membership in the experimental and control groups is naturally assembled in the pretest-posttest control group design
B) Random assignment is not possible in the nonequivalent control group
C) No pretest is used in the nonequivalent control group design
D) One cannot determine which group was exposed to the treatment in the nonequivalent control group design
E) No posttest is used in the nonequivalent control group design