Which is likely to be the most serious threat in a static-group comparison design?
A) Maturation
B) History
C) Testing
D) Characteristics of subjects

Question

Quizplus · Accepted Answer

In a static-group comparison design, the most serious threat is often the characteristics of subjects, as this design typically lacks random assignment, leading to potential differences in groups that can affect the outcome.

Which Is Likely to Be the Most Serious Threat in a Static-Group