The TIMSS 2023 international database is now available, providing comprehensive mathematics and science achievement data for fourth- and eighth-grade students worldwide.
In addition to student performance results, the dataset includes contextual data from student, home, teacher, school, and national questionnaires. Available in R, SPSS, and SAS formats, the data can be analyzed with the IEA International Database (IDB) Analyzer. A User Guide is also provided for reference.
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