Which of the following is an advantage of correlated-groups designs?
A) Correlated-groups designs help to control participant (subject) variables.
B) Correlated-groups designs are better than independent-groups designs when the researcher cannot remove the effects of the IV.
C) Correlated-groups designs use random assignment and independent-groups designs do not.
D) All of the above are advantages of correlated-groups designs.

Question

Quizplus · Accepted Answer

Correlated-groups designs help control participant variables by using the same participants in all conditions or by matching participants, reducing variability due to individual differences.

Which of the Following Is an Advantage of Correlated-Groups Designs