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paired samples t-test revealed a significant increase in test scores from pretest to posttest with the following summary statistics, t(33) = 2.31, p < .05.

paired samples t-test revealed a significant increase in test scores from pretest to posttest with the following summary statistics, t(33) = 2.31, p < .05. The degrees of freedom for this example is a. 31. b. 33. c. 34. d. 32

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