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Download full textKoedel, Cory; Li, Diyi; Polikoff, Morgan S.; Hardaway, Tenice; Wrabel, Stephani L. – AERA Open, 2017
We estimate relative achievement effects of the four most commonly adopted elementary mathematics textbooks in the fall of 2008 and fall of 2009 in California. Our findings indicate that one book, Houghton Mifflin's "California Math," is more effective than the other three, raising student achievement by 0.05 to 0.08 student-level…
Descriptors: Mathematics Curriculum, Mathematics Achievement, Elementary School Mathematics, Textbooks
