Which of the following is not a disadvantage of a between-subject design? a. They require large numbers of participants. b. Individual differences can produce high variance in the scores. c....

Which of the following is not a disadvantage of a between-subject design?

a. They require large numbers of participants.

b. Individual differences can produce high variance in the scores.

c. Individual differences can become confounding variables.

d. Each score is independent of all the other scores.