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Megan Rojo; Sarah G. King; Jenna Gersib; Christian T. Doabler – Learning Disability Quarterly, 2025
Competence with rational numbers is essential for mathematics proficiency in secondary mathematics. However, many students struggle with rational number concepts, and students with mathematics difficulties struggle even more. The purpose of this study was to examine the effects of an intervention that incorporated the use of explicit instruction…
Descriptors: Mathematics Instruction, Intervention, Direct Instruction, Models
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Hojnoski, Robin L.; Caskie, Grace I. L.; Miller Young, Robin – Topics in Early Childhood Special Education, 2018
Data indicate that children with disabilities typically display lower levels of proficiency in mathematics than their nondisabled peers, with this difference remaining stable over time. Although literature exists regarding school-age children, few studies have examined early numeracy skills of preschoolers and child characteristics associated with…
Descriptors: Mathematics Skills, Preschool Children, Numeracy, Comparative Analysis
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Cowan, Richard; Powell, Daisy – Journal of Educational Psychology, 2014
Explanations of the marked individual differences in elementary school mathematical achievement and mathematical learning disability (MLD or dyscalculia) have involved domain-general factors (working memory, reasoning, processing speed, and oral language) and numerical factors that include single-digit processing efficiency and multidigit skills…
Descriptors: Elementary School Mathematics, Mathematics Skills, Learning Disabilities, Elementary School Students
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Noel, Marie-Pascale – Developmental Psychology, 2009
In this study, the author aimed at measuring how much limited working memory capacity constrains early numerical development before any formal mathematics instruction. To that end, 4- and 5-year-old children were tested for their memory skills in the phonological loop (PL), visuo-spatial sketchpad (VSSP), and central executive (CE); they also…
Descriptors: Learning Disabilities, Short Term Memory, Mathematics Skills, Mathematical Concepts
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Auerbach, Judith G.; Gross-Tsur, Varda; Manor, Orly; Shalev, Ruth S. – Journal of Learning Disabilities, 2008
The authors examined behavior problems in a matched sample of 58 youths with persistent dyscalculia (PD) and nonpersistent dyscalculia (NPD). Participants were classified as having dyscalculia at age 10-11 years. Parents completed the Child Behavior Checklist for their children at ages 10-11, 13-14, and 16-17 years, while the youths did so at the…
Descriptors: Check Lists, Behavior Problems, Child Behavior, Mathematical Concepts
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Landerl, Karin; Fussenegger, Barbara; Moll, Kristina; Willburger, Edith – Journal of Experimental Child Psychology, 2009
This study tests the hypothesis that dyslexia and dyscalculia are associated with two largely independent cognitive deficits, namely a phonological deficit in the case of dyslexia and a deficit in the number module in the case of dyscalculia. In four groups of 8- to 10-year-olds (42 control, 21 dyslexic, 20 dyscalculic, and 26…
Descriptors: Reading Difficulties, Dyslexia, Phonological Awareness, Short Term Memory