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Tian J, Leib ER, Griger C, Oppenzato CO, Siegler RS. Biased Problem Distributions in Assignments Parallel Those in Textbooks: Evidence From Fraction and Decimal Arithmetic. JNC [Internet]. 2022Mar.31 [cited 2022Aug.14];8(1):73-8. Available from: https://jnc.psychopen.eu/index.php/jnc/article/view/6365