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The Effects of Age-Based and Grade-Based Sampling on the Relative Standing of Countries in International Comparative Studies of Student Achievement.
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O'Leary, Michael – 2000
The investigation reported in this paper was prompted by discrepancies between the published outcomes from two international tests of science achievement: (1) the Second International Assessment of Educational Progress (IAEP2), administered in 1991; and (2) the Third International Mathematics and Science Study (TIMSS), administered in 1995. One…
Descriptors: Academic Achievement, Achievement Tests, Adolescents, Age Differences
Digest of Education Statistics, 2012. NCES 2014-015
Peer reviewed Peer reviewed
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Snyder, Thomas D.; Dillow, Sally A. – National Center for Education Statistics, 2013
The 2012 edition of the "Digest of Education Statistics" is the 48th in a series of publications initiated in 1962. The "Digest" has been issued annually except for combined editions for the years 1977-78, 1983-84, and 1985-86. Its primary purpose is to provide a compilation of statistical information covering the broad field…
Descriptors: Early Childhood Education, Elementary Secondary Education, Higher Education, Adult Education
Digest of Education Statistics, 2011. NCES 2012-001
Peer reviewed Peer reviewed
PDF on ERIC Download full text
Snyder, Thomas D.; Dillow, Sally A. – National Center for Education Statistics, 2012
The 2011 edition of the "Digest of Education Statistics" is the 47th in a series of publications initiated in 1962. The "Digest" has been issued annually except for combined editions for the years 1977-78, 1983-84, and 1985-86. Its primary purpose is to provide a compilation of statistical information covering the broad field…
Descriptors: Elementary Education, Secondary Education, Elementary Secondary Education, Higher Education