The randomized pretest-posttest, control-group design is an improvement over the randomized posttest-only, control-group design because
A) the former adds an additional control group.
B) the latter employs randomization only at the time of the posttest.
C) the former adds a pretreatment measurement of the independent variable.
D) the former adds a pretreatment measurement of the dependent variable.
Answer: D
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Indicate whether the statement is true or false.
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A. X will have more.
B. Y will have more.
C. X and Y will have the same.
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