Exhibit 11.1: In the following items, select the experimental design that best fits the descriptive statement.
-Refer to Exhibit 11-1.Regression is controlled by random assignment, but the main effects of testing and the interaction of testing with X are not determinable.
A) One-group, pretest-posttest design
B) Randomized subjects, posttest only, control-group design
C) Randomized subjects, pretest-posttest design control-group
D) Randomized Solomon four-group design
E) Counterbalanced design

Question

Quizplus · Accepted Answer

C) Randomized subjects, pretest-posttest control-group design allows for the control of regression through random assignment. However, it does not specifically address the main effects of testing or the interaction of testing with the treatment (X), as these effects are not isolated or directly measured in this design.