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Atar, Burcu; Atalay Kabasakal, Kubra; Kibrislioglu Uysal, Nermin – Journal of Experimental Education, 2023
The purpose of this study was to evaluate the population invariance of equating functions across country subgroups in TIMSS 2015 mathematics tests in relation to the raw-score distribution, DIF, and DTF. We used equipercentile and IRT observed-score equating methods. The results of the study indicate that there is a relationship between the…
Descriptors: Foreign Countries, Achievement Tests, International Assessment, Mathematics Tests
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Saatcioglu, Fatima Munevver; Sen, Sedat – International Journal of Testing, 2023
In this study, we illustrated an application of the confirmatory mixture IRT model for multidimensional tests. We aimed to examine the differences in student performance by domains with a confirmatory mixture IRT modeling approach. A three-dimensional and three-class model was analyzed by assuming content domains as dimensions and cognitive…
Descriptors: Item Response Theory, Foreign Countries, Elementary Secondary Education, Achievement Tests
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Erturk, Zafer; Oyar, Esra – International Journal of Assessment Tools in Education, 2021
Studies aiming to make cross-cultural comparisons first should establish measurement invariance in the groups to be compared because results obtained from such comparisons may be artificial in the event that measurement invariance cannot be established. The purpose of this study is to investigate the measurement invariance of the data obtained…
Descriptors: International Assessment, Foreign Countries, Attitude Measures, Mathematics
Kitchen, Hannah; Fordham, Elizabeth; Henderson, Kirsteen; Looney, Anne; Maghnouj, Soumaya – OECD Publishing, 2017
Romania's education system has made impressive strides over the past two decades, with an increasing share of students mastering the basic competencies that they need for life and work. But these average improvements mask significant disparities in learning outcomes and attainment, with an increasing share of students leaving education early…
Descriptors: Foreign Countries, Educational Improvement, Educational Assessment, Student Evaluation
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Agnich, Laura E.; Miyazaki, Yasuo – Journal of School Violence, 2013
The detrimental effects of school violence on students' physical and emotional health are well studied, and research has shown that school violence affects students in every nation across the globe. However, few cross-national studies have compared direct, physical forms of school violence to indirect, emotional forms such as teasing. Using…
Descriptors: Violence, Well Being, Educational Environment, Physical Health
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Braeken, Johan; Blömeke, Sigrid – Assessment & Evaluation in Higher Education, 2016
Using data from the international Teacher Education and Development Study: Learning to Teach Mathematics (TEDS-M), the measurement equivalence of teachers' beliefs across countries is investigated for the case of "mathematics-as-a fixed-ability". Measurement equivalence is a crucial topic in all international large-scale assessments and…
Descriptors: Comparative Analysis, Bayesian Statistics, Test Bias, Teacher Education