Exhibit 11.1: In the following items, select the experimental design that best fits the descriptive statement.
-Refer to Exhibit 11-1.Failure to control history and maturation is a definite weakness.
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

The one-group, pretest-posttest design lacks a control group, making it difficult to control for external variables such as history and maturation, which can affect the outcomes between the pretest and posttest.