Which of the following is not an example of endogenous change, in which internal validity is compromised because of natural developments in the subjects, independent of experimental treatment?
A) Testing
B) The History Effect
C) Maturation
D) Regression
E) All of the above are types of endogenous change

Question

Quizplus · Accepted Answer

The History Effect refers to external events that occur during the course of a study which can affect the participants' behavior, not internal developments within the subjects themselves.

Which of the Following Is Not an Example of Endogenous