Quasi-Experimental Designs In a pretest/posttest design, participants may improve with repeated testing
Due to increased familiarity with a test.This problem is called
A)bidirectional causation.
B)practice effects.
C)regression to the mean.
D)the third variable problem.

Question

Quizplus · Accepted Answer

Practice effects refer to the phenomenon where participants may improve in their performance simply due to repeated exposure to a test or task. This can create a problem in pretest/posttest designs where improvement may be attributed to the intervention when it is actually due to repeated testing.

Quasi-Experimental Designs in a Pretest/posttest Design, Participants May Improve with Repeated