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Identifying Subtypes among Children with Developmental Coordination Disorder and Mathematical Learning Disabilities, Using Model-Based Clustering
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Pieters, Stefanie; Roeyers, Herbert; Rosseel, Yves; Van Waelvelde, Hilde; Desoete, Annemie – Journal of Learning Disabilities, 2015
A relationship between motor and mathematical skills has been shown by previous research. However, the question of whether subtypes can be differentiated within developmental coordination disorder (DCD) and/or mathematical learning disability (MLD) remains unresolved. In a sample of children with and without DCD and/or MLD, a data-driven…
Descriptors: Disability Identification, Developmental Disabilities, Psychomotor Skills, Mathematics Skills
The Impact of the Flynn Effect on LD Diagnoses in Special Education
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Kanaya, Tomoe; Ceci, Stephen – Journal of Learning Disabilities, 2012
Because of the Flynn effect, IQ scores rise as a test norm ages but drop on the introduction of a newly revised test norm. The purpose of the current study was to determine the impact of the Flynn effect on learning disability (LD) diagnoses, the most prevalent special education diagnosis in the United States. Using a longitudinal sample of 875…
Descriptors: Intelligence, Learning Disabilities, Intelligence Tests, Intelligence Quotient