Question: In a meta-analysis, the ES for the experimental versus control groups was 0.68, which represents a percentile equivalent of 75. This means that Group of

In a meta-analysis, the ES for the experimental versus control groups was 0.68, which represents a percentile equivalent of 75. This means that Group of answer choices the control group's average performance was 68 out of 100 compared with 75 out of 100 for the experimental group the average score of the experimental group was better than 75% of the control group's scores the probability is 75% that the use of the experimental treatment will improve the average student's score from the 50th to the 68th percentile the control group's mean was only 75% as high as that of the experimental group

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