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Direct linkDalton, Benjamin – Comparative Education Review, 2012
This article examines how international differences in age-grade distributions and grade effects contribute to science scores among 27 Organization for Economic Cooperation and Development countries. As shown in the 2006 Program for International Student Assessment, countries vary substantially in the grade distribution of 15-year-olds. The costs…
Descriptors: Science Achievement, Comparative Analysis, Comparative Education, Comparative Testing
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…
Descriptors: Summer Programs, High Schools, At Risk Students, High School Students
