Which true experimental design is both the most powerful and the most resource-intensive?
A)Solomon four group
B)pretest to post-test with control
C)simulated pretest - post-test
D)post-test only with control

Question

Quizplus · Accepted Answer

The Solomon four group design is considered the most powerful because it allows for the testing of both the main effects of the treatments and the interaction between the treatments and pretesting. However, it is also the most resource-intensive as it requires four experimental groups instead of two or three.

Which True Experimental Design Is Both the Most Powerful and the Most