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Rutkowski, Leslie; Rutkowski, David; Liaw, Yuan-Ling – Assessment in Education: Principles, Policy & Practice, 2019
Modern international studies of educational achievement have grown in terms of participating educational systems. Accompanying this development is an increase in heterogeneity, as more and different kinds of educational systems take part. This growth has been particularly pronounced among low-performing, less economically developed systems.…
Descriptors: International Assessment, Secondary School Students, Foreign Countries, Achievement Tests