The problem of disproportionality in special education is complex and requires an investigation of multiple factors related to racial, ethnic, linguistic, and socioeconomic backgrounds, school context, and family characteristics. Researchers have debated whether language minority (LM) students are under or overrepresented in special education, but…

Students' self-determination plays a critical role in both in-school and post-school outcomes. This study examined the self-determination of English learners with disabilities in secondary school, based on a secondary analysis of the National Longitudinal Transition Study 2012 (NLTS 2012). The NLTS 2012 youth survey, conducted in English and…

This study used a statewide longitudinal sample to examine mathematics achievement gaps and growth in students with and without disabilities and to examine the impact of different methods of determining disability group membership on achievement gaps and growth. When disability status was determined on the basis of special education placement each…

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…

The present study evaluated the stability of math learning difficulties over a 2-year period and investigated several factors that might influence this stability (categorical vs. continuous change, liberal vs. conservative cut point, broad vs. specific math assessment); the prediction of math performance over time and by performance level was also…

Development of reading speed in Italian children with dyslexia was estimated using individualized growth curves for 38 children with dyslexia tested longitudinally from 2nd-8th grade and compared with controls. Their reading speed development followed a linear trend of .3 syllables per second per grade, half the increment observed in controls.…

This report summarizes characteristics of students with disabilities in the National Education Longitudinal Study (NELS:88), which conducted a base-year survey in 1988 of all U.S. public and private schools containing eighth grades, followed up at 2-year intervals in 1990, 1992, and 1994. Among general observations are the following: (1) students…

This paper reports on the findings of a longitudinal study that investigated the trends in reading growth for 49 elementary students with severe reading difficulties. The students received special education services in a large Midwestern city in which curriculum-based measurement (CBM) procedures were implemented fully. The study began when the…

This research report includes articles on students, leadership, and technology related to the Georgia Psychoeducational Network (GPN), which serves students with severe emotional disturbances or behavior disorders. "The Relationship of Locus of Control of Reinforcement to Indicators of Student Growth in Academic, Behavioral, and Social…