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Zhang, Shudong; Xia, Xuenan; Li, Fei; Chen, Chunhui; Zhao, Libo – International Journal of Disability, Development and Education, 2021
In order to address the problem of the underlying mechanism of mathematics learning disability (MLD), in the current research, we investigated the visual and auditory perceptions of elementary school children with visual and auditory MLD from the first to fourth grade. We found that children with visual mathematics learning disability (VMLD) and…
Descriptors: Visual Perception, Auditory Perception, Perception Tests, Perceptual Impairments
MacIntyre, Robert B.; And Others – 1980
The study examined the process by which diagnostic data on children thought to have learning disabilities (LD) are generated and used. Emphasis was placed on the validity of test instruments in common use in the field. Since part of the practical validity of any instrument used to identify an LD child rests on the validity of the LD construct…
Descriptors: Achievement Tests, Definitions, Elementary Secondary Education, Evaluation Methods