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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.; Frisco, Michelle L.; Farkas, George; Hibel, Jacob – Journal of Special Education, 2017
Since the landmark enactment of Education of the Handicapped Act in 1975, special education supports and services have been provided to children with disabilities. Although costly, the intentionality of these specialized services has been to advance the educational and societal opportunities of children with disabilities as they progress to…
Descriptors: Disabilities, Kindergarten, Mathematics Skills, Special Education
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Engel, Mimi; Claessens, Amy; Watts, Tyler; Farkas, George – Educational Researcher, 2016
Analyzing data from two nationally representative kindergarten cohorts, we examine the mathematics content teachers cover in kindergarten. We expand upon prior research, finding that kindergarten teachers report emphasizing basic mathematics content. Although teachers reported increased coverage of advanced content between the 1998-1999 and…
Descriptors: Kindergarten, Mathematics Achievement, Course Content, Cohort Analysis
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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