Internal validity can be affected by all of the following,EXCEPT:
A)History
B)Maturation
C)Differential selection
D)Statistical abnormality

Question

Quizplus · Accepted Answer

Statistical abnormality is not a factor that affects internal validity. History, maturation, and differential selection are all potential threats to internal validity, as they can impact the reliability of the results and the accuracy of the conclusions drawn from the study.

Internal Validity Can Be Affected by All of the Following,EXCEPT