What is one disadvantage of the Solomon four-group design?
A) It lacks a control group.
B) You have to pretest every group.
C) It is prone to sampling error.
D) It is time-consuming.

Question

Quizplus · Accepted Answer

The Solomon four-group design is time-consuming because it involves multiple groups and testing phases to control for various effects, making the process more complex and lengthy compared to simpler experimental designs.

What Is One Disadvantage of the Solomon Four-Group Design