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Understanding the Private-Public School Performance Gap in PISA: Evidence from Portugal
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Ricardo Colaço; Pedro Freitas; Luis Catela Nunes; Ana Balcão Reis – Large-scale Assessments in Education, 2025
We analyse the PISA-reported convergence in the performance of private and public schools in Portugal. When PISA sampling weights are used, the number of students enrolled in those types of schools and specific grades/tracks of study differs significantly from official population figures. To account for those differences, we apply a…
Descriptors: Foreign Countries, Achievement Tests, International Assessment, Secondary School Students
Comparing Different Trend Estimation Approaches in Country Means and Standard Deviations in International Large-Scale Assessment Studies
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Robitzsch, Alexander; Lüdtke, Oliver – Large-scale Assessments in Education, 2023
One major aim of international large-scale assessments (ILSA) like PISA is to monitor changes in student performance over time. To accomplish this task, a set of common items (i.e., link items) is repeatedly administered in each assessment. Linking methods based on item response theory (IRT) models are used to align the results from the different…
Descriptors: Educational Trends, Trend Analysis, International Assessment, Achievement Tests
Students' Errors in Solving Sequences and Series Word Problems Based on Problem-Solving Steps of Polya
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Saifurrisal, Ahmad Hasan – International Society for Technology, Education, and Science, 2022
Problem-solving is one of the 21st-century skills. However, students still have difficulty solving sequences and series word problems. The purpose of this research is to analyze students' errors in solving sequences and series word problems based on problem-solving steps of Polya. The research method is descriptive qualitative. The research…
Descriptors: Error Patterns, Word Problems (Mathematics), Mathematics Tests, Student Attitudes
Testing across Languages in International Comparisons: Cultural Adaptation of Consensus-Based Test Translation Review Procedures
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Zhao, Xueyu; Solano-Flores, Guillermo – Journal of Multilingual and Multicultural Development, 2021
We investigated whether consensus-based test translation review procedures can be used effectively in cultural contexts with high social stratification. We staged two test translation review panels in China -- where social stratification may potentially inhibit individuals' ability to express opinion and disagreement. We adapted a consensus-based…
Descriptors: Translation, Test Construction, Error Patterns, Foreign Countries