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OECD Publishing, 2022
In 2021, an OECD team undertook analysis of Republic of Türkiye's data from two international assessments--the OECD Programme for International Student Assessment (PISA) and the International Association for the Evaluation of Educational Achievement (IEA)'s Trends in International Mathematics and Science Study (TIMSS). The analysis aimed to…
Descriptors: Foreign Countries, Achievement Tests, International Assessment, Elementary Secondary Education
Avvisati, Francesco – OECD Publishing, 2018
Teachers are the most important school resource. In every country, teachers' salaries and training represent the greatest share of expenditure on education; and this investment in teachers can have significant returns. Research shows that being taught by the best teachers can make a real difference in the learning and life outcomes of otherwise…
Descriptors: Experienced Teachers, Teacher Effectiveness, Foreign Countries, Achievement Tests