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Direct linkBailey, Drew H.; Hansen, Nicole; Jordan, Nancy C. – Journal of Educational Psychology, 2017
The importance of fraction knowledge to later mathematics achievement, along with U.S. students' poor knowledge of fraction concepts and procedures, has prompted research on the development of fraction learning. In the present study, participants' (N = 536) development of fraction magnitude understanding and fraction arithmetic skills was assessed…
Descriptors: Fractions, Arithmetic, Mathematics Achievement, Elementary School Mathematics
Tolar, Tammy D.; Fuchs, Lynn; Fletcher, Jack M.; Fuchs, Douglas; Hamlett, Carol L. – Journal of Learning Disabilities, 2016
Three cohorts of third-grade students (N = 813) were evaluated on achievement, cognitive abilities, and behavioral attention according to contrasting research traditions in defining math learning disability (LD) status: low achievement versus extremely low achievement and IQ-achievement discrepant versus strictly low-achieving LD. We use methods…
Descriptors: Grade 3, Elementary School Students, Mathematics Instruction, Learning Disabilities
Rhodes, Katherine T.; Branum-Martin, Lee; Washington, Julie A.; Fuchs, Lynn S. – Journal of Educational Psychology, 2017
Using multitrait, multimethod data, and confirmatory factor analysis, the current study examined the effects of arithmetic item formatting and the possibility that across formats, abilities other than arithmetic may contribute to children's answers. Measurement hypotheses were guided by several leading theories of arithmetic cognition. With a…
Descriptors: Arithmetic, Mathematics Tests, Test Format, Psychometrics
