In a repeated-measures design, with a separate control group that is not matched to the experimental group, the "change" scores should be
A) correlated with each other
B) independent of each other
C) positive in sign
D) none of these

Question

Quizplus · Accepted Answer

In a repeated-measures design with a separate control group that is not matched to the experimental group, the "change" scores between pre-test and post-test for each participant are independent of each other. This is because each participant's change score is calculated based on their own pre-test and post-test scores, and these changes are not influenced by or correlated with the changes in scores of other participants.

In a Repeated-Measures Design, with a Separate Control Group That