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Social Studies, 20.07.2021 03:30 chanceypray3514
What is the advantage of the pretest in the nonequivalent control group pretest-posttest design? If the pretest scores are different, the study can be discontinued immediately. Participants who experience a pretest generally score higher on a posttest. The pretest accustoms the participants to the procedures of the study. When groups are not equivalent, researchers can look at changes from pretest to posttest scores.
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