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De Clercq-Quaegebeur, Maryse; Casalis, Séverine; Vilette, Bruno; Lemaitre, Marie-Pierre; Vallée, Louis – Journal of Learning Disabilities, 2018
A high comorbidity between reading and arithmetic disabilities has already been reported. The present study aims at identifying more precisely patterns of arithmetic performance in children with developmental dyslexia, defined with severe and specific criteria. By means of a standardized test of achievement in mathematics ("Calculation and…
Descriptors: Arithmetic, Mathematics Skills, Elementary School Students, Dyslexia
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Russo-Ponsaran, Nicole M.; Berry-Kravis, Elizabeth; McKown, Clark A.; Lipton, Meryl – Journal of Mental Health Research in Intellectual Disabilities, 2014
Fragile X syndrome (FXS) is a well-described inherited cause of intellectual disability and the most common known genetic cause of autism. Social deficits in girls with FXS are not well understood. To better understand barriers to social functioning that may contribute to mental health outcomes, we administered a theoretically based social…
Descriptors: Females, Genetic Disorders, Cognitive Processes, Social Development
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Eklund, Kenneth; Torppa, Minna; Aro, Mikko; Leppänen, Paavo H. T.; Lyytinen, Heikki – Journal of Educational Psychology, 2015
This study followed the development of reading speed, reading accuracy, and spelling in transparent Finnish orthography in children through Grades 2, 3, and 8. We compared 2 groups of children with familial risk for dyslexia--1 group with dyslexia (Dys _FR, n = 35) and 1 group without (NoDys_FR, n = 66) in Grade 2--with a group of children without…
Descriptors: Grade 2, Grade 3, Grade 8, Literacy