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Download full textZablotsky, Benjamin; Alford, Josephine M. – National Center for Health Statistics, 2020
Attention-deficit/hyperactivity disorder (ADHD) and learning disabilities are the most commonly diagnosed neurodevelopmental disorders in children and often coexist. Previous research has suggested that the prevalence of these conditions may differ by race and Hispanic origin. Using timely, nationally representative data, this report examines the…
Descriptors: Racial Differences, Ethnicity, Incidence, Attention Deficit Hyperactivity Disorder
Zablotsky, Benjamin; Black, Lindsey I. – National Center for Health Statistics, 2020
Objective: This report examines the prevalence of developmental disabilities among children in both rural and urban areas as well as service utilization among children with developmental issues in both areas. Methods: Data from the 2015-2018 National Health Interview Survey (NHIS) were used to examine the prevalence of 10 parent- or…
Descriptors: Incidence, Children, Adolescents, Developmental Disabilities
Mandinach, Ellen B.; Bridgeman, Brent; Cahalan-Laitusis, Cara; Trapani, Catherine – College Board, 2005
The effects of extended time on SAT Reasoning Test™ performance are examined. The study explored the impact of providing standard time, time and a half (1.5 time) with and without specified section breaks, and double time without specified section breaks on the verbal and mathematics sections of the SAT®. Differences among ability, disability, and…
Descriptors: College Entrance Examinations, Standardized Tests, Timed Tests, Disabilities
