The separate-sample pretest-posttest design
A) eliminates the possibility of a history effect.
B) eliminates the threat of testing and testing-X interaction.
C) randomly assigns subjects to experimental and control conditions.
D) contains a control group but lacks random assignment.

Question

Quizplus · Accepted Answer

The separate-sample pretest-posttest design helps to eliminate the threat of testing and testing-X interaction because different groups are used for the pretest and posttest, reducing the influence of the pretest on the posttest results.

The Separate-Sample Pretest-Posttest Design