Helga Engs hus (map)
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This paper presents an empirical study of instructional quality based on the TIMSS 2015 data in Flanders, Germany, and Norway. The study investigates the link between instructional quality, mathematics achievement, and students' socioeconomic status across the three countries and utilizes the strengths of multilevel structural equation modeling. Implications for the strive for equity and high achievement in mathematics are presented.