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Öztürk-Gübes, Nese; Kelecioglu, Hülya – Educational Sciences: Theory and Practice, 2016
The purpose of this study was to examine the impact of dimensionality, common-item set format, and different scale linking methods on preserving equity property with mixed-format test equating. Item response theory (IRT) true-score equating (TSE) and IRT observed-score equating (OSE) methods were used under common-item nonequivalent groups design.…
Descriptors: Test Format, Item Response Theory, True Scores, Equated Scores
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Sulku, Seher Nur; Abdioglu, Zehra – Educational Sciences: Theory and Practice, 2015
This study investigates the factors influencing the success of students in primary schools in Turkey. TIMSS 2011 data for Turkey, measuring the success of eighth-grade students in the field of mathematics, were used in an econometric analysis, performed using classical linear regression models. Two hundred thirty-nine schools participated in the…
Descriptors: Foreign Countries, Elementary School Students, Grade 8, Mathematics Achievement
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Ozer, Eren; Sezer, Renan – Educational Sciences: Theory and Practice, 2014
This study offers a comparative analysis of questions found in Turkish, Singaporean, and American mathematics textbooks and workbooks based on topics covered in the 8th grade mathematics curriculum in Turkey. To this end, the study utilizes the 3-dimensional framework developed by Li. When the questions in the textbooks and workbooks…
Descriptors: Foreign Countries, Comparative Analysis, Mathematics Materials, Textbook Content
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Bursal, Murat – Educational Sciences: Theory and Practice, 2013
This study investigated the change of the science academic achievement by grade level and gender where 222 elementary students' science and technology course scores between the 4th and 8th grades and science success percentages in 6th and 8th grades Level Determination Exam were longitudinally analyzed. Based on the findings of this study,…
Descriptors: Elementary School Science, Science Achievement, Science Instruction, Age Differences
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Atar, Hakan Yavuz; Atar, Burcu – Educational Sciences: Theory and Practice, 2012
The purpose of this study is to examine the effects of some of the changes such as student centered learning (i.e. inquiry science instruction), outfitting classrooms with latest technology and computers that the reform movement has brought about on students' TIMSS 2007 science achievements. Two-staged stratified sampling was used in the selection…
Descriptors: Science Achievement, Educational Change, Science Instruction, Program Effectiveness
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Bilican, Safiye; Demirtasli, R. Nukhet; Kilmen, Sevilay – Educational Sciences: Theory and Practice, 2011
The purpose of this study was to determine whether the attitudes of the students who participated in the application within the context of TIMSS 1999 and 2007 projects towards the "Maths course" and their opinions about "teaching activities in Maths course" had changed according to the mentioned years or not. The sample of…
Descriptors: Opinions, Multiple Choice Tests, Cooperative Learning, Tests