Accounting for Measurement Bias: A New Framework for Reliable Country Ranking in Large-Scale Educational Assessments
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918478600994816 |
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| author | Ouyang, Jing Chen, Yunxiao Li, Chengcheng Xu, Gongjun |
| author_facet | Ouyang, Jing Chen, Yunxiao Li, Chengcheng Xu, Gongjun |
| contents | International Large-scale Assessments (ILSAs), such as the Program for International Student Assessment (PISA) and the Trends in International Mathematics and Science Study (TIMSS), are cornerstone tools for global educational research and policy-making. By benchmarking educational quality and performance trends, these assessments enable countries to evaluate and share effective pedagogical structures. Specifically, ILSAs employ Item Response Theory (IRT) models to rank countries by students' performance on cognitive items. However, measurement bias--arising from linguistic, cultural, and curricular differences--poses a significant threat to the statistical inference of IRT models and, consequently, the validity of the resulting rankings. Neglecting this bias can lead to systematic errors in parameter estimation, ultimately distorting national standings. To address this, we propose a novel method that avoids the restrictive assumptions typical of existing approaches, such as the prior identification of unbiased anchor items or designated reference groups. Our approach is computationally efficient and provides theoretical guarantees for the reliable recovery of group rankings. We apply this method to PISA 2022 data across the mathematics, science, and reading domains, yielding corrected performance rankings and insights into the survey's measurement-bias structures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_16608 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Accounting for Measurement Bias: A New Framework for Reliable Country Ranking in Large-Scale Educational Assessments Ouyang, Jing Chen, Yunxiao Li, Chengcheng Xu, Gongjun Methodology International Large-scale Assessments (ILSAs), such as the Program for International Student Assessment (PISA) and the Trends in International Mathematics and Science Study (TIMSS), are cornerstone tools for global educational research and policy-making. By benchmarking educational quality and performance trends, these assessments enable countries to evaluate and share effective pedagogical structures. Specifically, ILSAs employ Item Response Theory (IRT) models to rank countries by students' performance on cognitive items. However, measurement bias--arising from linguistic, cultural, and curricular differences--poses a significant threat to the statistical inference of IRT models and, consequently, the validity of the resulting rankings. Neglecting this bias can lead to systematic errors in parameter estimation, ultimately distorting national standings. To address this, we propose a novel method that avoids the restrictive assumptions typical of existing approaches, such as the prior identification of unbiased anchor items or designated reference groups. Our approach is computationally efficient and provides theoretical guarantees for the reliable recovery of group rankings. We apply this method to PISA 2022 data across the mathematics, science, and reading domains, yielding corrected performance rankings and insights into the survey's measurement-bias structures. |
| title | Accounting for Measurement Bias: A New Framework for Reliable Country Ranking in Large-Scale Educational Assessments |
| topic | Methodology |
| url | https://arxiv.org/abs/2505.16608 |