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Block, Elisa; Farran, Emily K.; Van Herwegen, Jo – American Journal on Intellectual and Developmental Disabilities, 2022
The block design task (BDT) is a visuospatial measure that individuals with Williams syndrome (WS) perform poorly on. However, it is unclear what underlies their impaired performance. This study investigated whether poorer performance is a result of visuospatial difficulties, executive function (EF) difficulties, atypical looking strategies, or a…
Descriptors: Task Analysis, Visual Perception, Spatial Ability, Executive Function
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Peng, Peng; Wang, Cuicui; Namkung, Jessica – Review of Educational Research, 2018
The current study investigated the cognitive deficit profiles among individuals with mathematics difficulties (MD) and potential moderators and mechanism for these profiles. Seventy-five cognitive profiling studies on MD were included, representing a total of 13,001 individuals and 126 independent samples. Results showed that compared with…
Descriptors: Cognitive Ability, Mathematics Skills, Comparative Analysis, Phonological Awareness
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Reed, Phil; McCarthy, Julia – Journal of Autism and Developmental Disorders, 2012
This investigation aimed to determine if children with ASD are impaired in their ability to switch attention between different tasks, and whether performance is further impaired when required to switch across two separate modalities (visual and auditory). Eighteen children with ASD (9-13 years old) were compared with 18 typically-developing…
Descriptors: Learning Problems, Autism, Attention, Pervasive Developmental Disorders