The situation in which taking a pre-test affects the participants' post-test scores is called:
A)Testing
B)Instrumentation
C)History
D)Maturation

Question

Quizplus · Accepted Answer

Testing is where taking a pre-test can affect participants' post-test scores.
Testing threatens a study's internal validity when exposure to a test has an effect on the participant's post-test scores. Instrumentation, history, and maturation don't play such roles.

The Situation in Which Taking a Pre-Test Affects the Participants