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In a _____ design, half of the participants receive only a posttest, and the other half receive both a pretest and a posttest. This allows
In a _____ design, half of the participants receive only a posttest, and the other half receive both a pretest and a posttest. This allows researchers to know if the pretest is having an impact. Question 9 options: two-group pretest-posttest Soloman four group one-group pretest-posttest pretest posttest
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