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Morgan, Paul L.; Farkas, George; Hillemeier, Marianne M.; Maczuga, Steve – Journal of Learning Disabilities, 2016
We analyzed two nationally representative, longitudinal data sets of U.S. children to identify risk factors for persistent mathematics difficulties (PMD). Results indicated that children from low socioeconomic households are at elevated risk of PMD at 48 and 60 months of age, as are children with cognitive delays, identified developmental delays…
Descriptors: Learning Problems, Learning Disabilities, At Risk Students, Mathematics Instruction
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Morgan, Paul L.; Farkas, George; Maczuga, Steve – Educational Evaluation and Policy Analysis, 2015
We used population-based, longitudinal data to investigate the relation between mathematics instructional practices used by first-grade teachers in the United States and the mathematics achievement of their students. Factor analysis identified four types of instructional activities (i.e., teacher-directed, student-centered,…
Descriptors: Teaching Methods, Grade 1, Mathematics Instruction, Longitudinal Studies
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Morgan, Paul L.; Farkas, George; Hillemeier, Marianne M.; Mattison, Richard; Maczuga, Steve; Li, Hui; Cook, Michael – Educational Researcher, 2015
We investigated whether minority children attending U.S. elementary and middle schools are disproportionately represented in special education. We did so using hazard modeling of multiyear longitudinal data and extensive covariate adjustment for potential child-, family-, and state-level confounds. Minority children were consistently less likely…
Descriptors: Minority Group Students, Disproportionate Representation, Special Education, Elementary School Students
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Morgan, Paul L.; Hillemeier, Marianne M.; Farkas, George; Maczuga, Steve – Journal of Child Psychology and Psychiatry, 2014
Background: Whether and to what extent racial/ethnic disparities in attention-deficit/hyperactivity disorder (ADHD) diagnosis occur by kindergarten entry is currently unknown. We investigated risk factors associated with an ADHD diagnosis by kindergarten entry generally, and specifically whether racial/ethnic disparities in ADHD diagnosis occur by…
Descriptors: Clinical Diagnosis, Attention Deficit Hyperactivity Disorder, Kindergarten, Racial Differences