Question: When carrying out a pretestposttest study, researchers often wish to: (a) Partial out the effect of the dependent variable (b) Partial out the effect of

When carrying out a pretest–posttest study, researchers often wish to:

(a) Partial out the effect of the dependent variable

(b) Partial out the effect of the pretest

(c) Reduce the correlation between the pretest and posttest scores

(d) None of the above

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