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Pokorski, Frances K. – ProQuest LLC, 2011
No significant difference in beginning ninth-grade pretest compared to ending ninth-grade posttest comparisons of American History t(17) = 0.34, p = 0.37 (one-tailed), d = 0.09, English t(17) = 1.40, p = 0.09 (one-tailed), d = 0.34, and Biology (t(17) = -1.58, p = 0.07 (one-tailed), d = -0.22, course grade scores were observed for students…
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