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Li, Danfeng; Zhang, Xuejing; Zhang, Li – Journal of Learning Disabilities, 2023
Developmental dyscalculia (DD) is a mathematics learning disorder that affects approximately 5% to 7% of the population. This study aimed to detect the underlying domain-specific and domain-general differences between DD and typically developing (TD) children. We recruited 9-year-old primary school children to form the DD group via a 2-year…
Descriptors: Learning Disabilities, Mathematics Skills, Elementary School Students, Developmental Delays
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Liu, Saifang; Cheng, Chen; Wu, Peiqian; Zhang, Liming; Wang, Zhengjun; Wei, Wenjun; Chen, Yuan; Zhao, Jingjing – Journal of Learning Disabilities, 2022
A number of previous studies have identified cognitive deficits in developmental dyscalculia (DD). Yet, most of these studies were in alphabetic languages, whereas few of them examined Chinese DD. Here, we conducted a study aiming to determine the cognitive factors associated with DD in Chinese children. Five candidate cognitive factors of…
Descriptors: Foreign Countries, Learning Disabilities, Phonological Awareness, Spatial Ability
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Ye, Yanyan; McBride, Catherine; Yin, Li; Cheang, Leo Man-Lit; Tse, Chun Yu – Journal of Learning Disabilities, 2022
Copying characters presented previously (delayed copying) is an important skill in Chinese literacy acquisition. The relations of delayed copying and a set of literacy-related skills (including vocabulary knowledge, rapid automatized naming, phonological awareness, morphological awareness, and orthographic awareness), visual-orthographic judgment,…
Descriptors: Foreign Countries, Spelling, Chinese, Kindergarten
Costa, Lara-Jeane; Green, Melissa; Sideris, John; Hooper, Stephen R. – Journal of Learning Disabilities, 2018
The primary aim of this study was determining Grade 1 cognitive predictors of students at risk for writing disabilities in Grades 2 through 4. Applying cognitive measures selected to align with theoretical and empirical models of writing, tasks were administered to Grade 1 students assessing fine-motor, linguistic, and executive functions: 84 at…
Descriptors: Predictor Variables, Elementary School Students, Grade 1, Grade 2
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van Viersen, Sietske; Kroesbergen, Evelyn H.; Slot, Esther M.; de Bree, Elise H. – Journal of Learning Disabilities, 2016
This study investigated how gifted children with dyslexia might be able to mask literacy problems and the role of possible compensatory mechanisms. The sample consisted of 121 Dutch primary school children that were divided over four groups (typically developing [TD] children, children with dyslexia, gifted children, gifted children with…
Descriptors: Dyslexia, Academically Gifted, Reading Skills, Elementary School Students
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Brandenburg, Janin; Klesczewski, Julia; Fischbach, Anne; Schuchardt, Kirsten; Büttner, Gerhard; Hasselhorn, Marcus – Journal of Learning Disabilities, 2015
In transparent orthographies like German, isolated learning disabilities in either reading or spelling are common and occur as often as a combined reading and spelling disability. However, most issues surrounding the cognitive causes of these isolated or combined literacy difficulties are yet unresolved. Recently, working memory dysfunctions have…
Descriptors: Foreign Countries, Elementary School Students, Children, Learning Disabilities