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Brignell, Amanda; Williams, Katrina; Prior, Margot; Donath, Susan; Reilly, Sheena; Bavin, Edith L.; Eadie, Patricia; Morgan, Angela T. – Autism: The International Journal of Research and Practice, 2017
We compared loss and gain in communication from 1 to 2 years in children later diagnosed with autism spectrum disorder (n = 41), language impairment (n = 110) and in children with typical language development at 7 years (n = 831). Participants were selected from a prospective population cohort study of child language (the Early Language in…
Descriptors: Infants, Pervasive Developmental Disorders, Autism, Comparative Analysis
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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