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Tian, Jing; Leib, Elena R.; Griger, Cassondra; Oppenzato, Colleen O.; Siegler, Robert S. – Journal of Numerical Cognition, 2022
Imbalances in problem distributions in math textbooks have been hypothesized to influence students' performance. This hypothesis, however, rests on the assumption that textbook problems are representative of the problems that students encounter in classroom assignments. This assumption might not be true, because teachers do not present all…
Descriptors: Mathematics Education, Mathematics Instruction, Textbooks, Textbook Bias