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Comparative Analysis	2
Foreign Countries	2
Sampling	2
Academic Achievement	1
Cross Cultural Studies	1
Educational Research	1
Elementary Secondary Education	1
Feasibility Studies	1
Longitudinal Studies	1
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British Educational Research…	1
Educational and Psychological…	1

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Airasian, Peter W.	1
O'Leary, Michael	1
Pedulla, Joseph J.	1

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Journal Articles	2
Reports - Research	2

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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.

Peer reviewed

O'Leary, Michael – British Educational Research Journal, 2001

Reports discrepancies between published outcomes from two international tests of science achievement: (1) Second International Assessment of Educational Progress (IAEP) administered in 1991; and (2) Third International Mathematics and Science Study (TIMSS) administered in 1995. States initial comparisons suggested outcome inconsistencies for 11…

Descriptors: Academic Achievement, Comparative Analysis, Cross Cultural Studies, Educational Research

Sampling from Samples: A Comparison of Strategies in Longitudinal Research.

Peer reviewed

Pedulla, Joseph J.; Airasian, Peter W. – Educational and Psychological Measurement, 1980

Estimates of population values obtained using three sampling techniques (simple random sampling, stratified random sampling, and cluster sampling) and three size samples for each technique (10%, 25% and 50%) were compared with known "population" values. 25% simple random sample provided quite good estimates of the "population"…

Descriptors: Comparative Analysis, Elementary Secondary Education, Feasibility Studies, Foreign Countries