Question: Dr. Hand conducted a study with experimental and control groups who were given pretest and posttest measures. Before analyzing his data, Dr. Hand adjusted the

Dr. Hand conducted a study with experimental and control groups who were given pretest and posttest measures. Before analyzing his data, Dr. Hand adjusted the participant's posttest scores based on their performance on the pretest. The procedure he used to adjust the scores is known as ______. Group of answer choices analysis of variance analysis of covariance analysis of regression analysis of discontinuity Difficulty Level: Hard

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