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Spanoudis, George C.; Papadopoulos, Timothy C.; Spyrou, Spyroula – Journal of Learning Disabilities, 2019
Specific language impairment (SLI) and reading disability (RD) are familial, moderately heritable comorbid developmental disorders. The key deficit of SLI is oral language, whereas children with RD exhibit impairment in learning to read. The present study examines the possible co-occurrence of RD and SLI and the nature of this co-occurrence at a…
Descriptors: Language Impairments, Reading Difficulties, Comorbidity, Foreign Countries
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Limpo, Teresa; Alves, Rui A. – Journal of Learning Disabilities, 2018
Writing proficiency is heavily based on acquisition and development of self-regulation and transcription skills. The present study examined the effects of combining transcription training with a self-regulation intervention (self-regulated strategy development [SRSD]) in Grade 2 (ages 7-8). Forty-three students receiving self-regulation plus…
Descriptors: Writing Instruction, Grade 2, Spelling, Phonemes
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Raddatz, Julia; Kuhn, Jörg-Tobias; Holling, Heinz; Moll, Kristina; Dobel, Christian – Journal of Learning Disabilities, 2017
The aim of the present study was to investigate the cognitive profiles of primary school children (age 82-133 months) on a battery of basic number processing and calculation tasks. The sample consisted of four groups matched for age and IQ: arithmetic disorder only (AD; n = 20), reading disorder only (RD; n = 40), a comorbid group (n = 27), and an…
Descriptors: Arithmetic, Reading Difficulties, Numbers, Computation
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Powell, Sarah R.; Driver, Melissa K.; Julian, Tyler E. – Journal of Learning Disabilities, 2015
Students often misinterpret the equal sign (=) as operational instead of relational. Research indicates misinterpretation of the equal sign occurs because students receive relatively little exposure to equations that promote relational understanding of the equal sign. No study, however, has examined effects of nonstandard equations on the equation…
Descriptors: Mathematics Instruction, Tutoring, Equations (Mathematics), Mathematical Concepts
H. Lee Swanson; Catherine M. Lussier; Michael J. Orosco – Journal of Learning Disabilities, 2015
This study investigated the role of strategy instruction and working memory capacity (WMC) on word problem solving accuracy in children with (n = 100) and without (n = 92) math difficulties (MD). Within classrooms, children in Grades 2 and 3 were randomly assigned to one of four treatment conditions: verbal-only strategies (e.g., underlining…
Descriptors: Cognitive Style, Learning Strategies, Short Term Memory, Problem Solving
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Papadopoulos, Timothy C.; Georgiou, George K.; Kendeou, Panayiota – Journal of Learning Disabilities, 2009
This study examined longitudinally the double-deficit hypothesis in Greek, an orthographically consistent language, following a group of children from kindergarten to Grade 2. Four groups were formed on the basis of two composite scores of phonological and naming-speed criterion measures: a double-deficit group (DD; n = 17), a phonological deficit…
Descriptors: Control Groups, Reading Difficulties, Reading Fluency, Decoding (Reading)
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O'Connor, Rollanda E.; Fulmer, Deborah; Harty, Kristin R.; Bell, Kathryn M. – Journal of Learning Disabilities, 2005
In this study, students and their teachers participated in a layered approach to reading intervention in kindergarten through third grade that included professional development for teachers in scientifically based reading instruction, ongoing measurement of reading progress, and additional small-group or individual instruction for students whose…
Descriptors: Individual Instruction, Reading Instruction, Intervention, Reading Achievement