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Direct linkHuang, Hung-Yu; Wang, Wen-Chung – Educational and Psychological Measurement, 2014
In the social sciences, latent traits often have a hierarchical structure, and data can be sampled from multiple levels. Both hierarchical latent traits and multilevel data can occur simultaneously. In this study, we developed a general class of item response theory models to accommodate both hierarchical latent traits and multilevel data. The…
Descriptors: Item Response Theory, Hierarchical Linear Modeling, Computation, Test Reliability
Zuzovsky, Ruth – Large-scale Assessments in Education, 2013
Background: The association between frequent use of certain instructional practices in mathematics and science and learning outcomes in schools in low-, medium-, and high-achieving countries is the focus of this study. It not only looks at teaching practices "that work" (positively associated with achievement) but whether they…
Descriptors: Mathematics Instruction, Science Instruction, Teaching Methods, Mathematics Achievement
Rutkowski, David; Rutkowski, Leslie; Plucker, Jonathan A. – High Ability Studies, 2012
A recent study in the USA documented the existence and growth of "excellence gaps" among students. These gaps are similar to the minimum competency achievement gaps that proliferate in policy discussions in many Western countries, but excellence gaps focus on the highest level of achievement rather than minimum competency. We extend this…
Descriptors: Academic Achievement, Minimum Competency Testing, Evidence, Immigrants
Cho, Mee-Ok; Scherman, Vanessa; Gaigher, Estelle – African Journal of Research in Mathematics, Science and Technology Education, 2012
This paper reports on secondary analysis of TIMSS 2003 data, based on a sound conceptual model, aiming to explain differential science achievement in South Africa from the perspective of educational effectiveness research. The conceptual framework was developed by refining existing school effectiveness models and including factors related to…
Descriptors: Science Education, Instructional Effectiveness, Correlation, Hierarchical Linear Modeling
Jeon, Sue Bin – ProQuest LLC, 2010
Previous comparisons of the gaps in educational achievement between various minority groups (non-White, non-English-speaking, low income) and their counterparts (White, English-speaking, middle income) have tended to disregard the immigrant status of the minority students. In this study, I investigated these gaps within and between immigrant…
Descriptors: Achievement Gap, White Students, Minority Group Students, English Language Learners
Frempong, George – African Journal of Research in Mathematics, Science and Technology Education, 2010
In 2003, about 50 countries including Ghana participated in the Trends in International Mathematics and Science Study (TIMSS). This is the first time that Ghana has participated in an international mathematics assessment that has provided the reliable data to examine equity and the quality of mathematics education within schools in Ghana. In the…
Descriptors: Foreign Countries, Equal Education, Educational Quality, Mathematics Education
