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Carolan, Brian V.; Weiss, Christopher C.; Matthews, Jamaal S. – Youth & Society, 2015
There are few areas of school organization that reflect more dissatisfaction than how to structure the education of adolescents in the middle grades. This study uses multilevel models on nationally representative data provided by the Early Childhood Longitudinal Study to investigate the relationship between schools' middle-level grade span and…
Descriptors: Models, Correlation, Middle School Students, Mathematics Achievement
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Mattison, Richard E.; Woods, Adrienne D.; Morgan, Paul L.; Farkas, George; Hillemeier, Marianne M. – Journal of Learning Disabilities, 2023
We examined to what extent subgroups of students identified with learning disabilities (LDs; N = 630) in the Early Childhood Longitudinal Study, Kindergarten Class of 1998 to 1999 (ECLS-K): 1998 national longitudinal study displayed heterogeneity in longitudinal profiles of reading and mathematics achievement from first to eighth grades.…
Descriptors: Students with Disabilities, Learning Disabilities, Reading Achievement, Mathematics Achievement
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Atteberry, Allison; Mangan, Daniel – Educational Researcher, 2020
Papay (2011) noticed that teacher value-added measures (VAMs) from a statistical model using the most common pre/post testing timeframe--current-year spring relative to previous spring (SS)--are essentially unrelated to those same teachers' VAMs when instead using next-fall relative to current-fall (FF). This is concerning since this choice--made…
Descriptors: Correlation, Value Added Models, Pretests Posttests, Decision Making
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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