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Zhang, Xiao; Räsänen, Pekka; Koponen, Tuire; Aunola, Kaisa; Lerkkanen, Marja-Kristiina; Nurmi, Jari-Erik – Child Development, 2020
Mathematical difficulties have been distinguished as mathematics learning disability (MLD) and persistent low achievement (LA). Based on 1,880 Finnish children who were followed from kindergarten (age 6) to fourth grade, this study examined the early risk factors for MLD and LA. Distinct groups of MLD (6.0% of the sample) and LA (25.7%) children…
Descriptors: Learning Problems, Mathematics Instruction, Mathematics Skills, Learning Disabilities
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Rogers, Sally J.; And Others – Child Development, 1996
Examined imitation and pantomime abilities in 17 high-functioning adolescents with autism and in 15 comparison subjects with dyslexia or other learning disorders, matched on chronological age and verbal IQ. Found no support for the symbolic deficit hypothesis; meaning aided, rather than hindered, the performance of the group with autism. (MDM)
Descriptors: Adolescents, Autism, Cognitive Ability, Dyslexia
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Black, F. William – Child Development, 1974
An investigation of performance on a standardized test of self concept with matched samples of normal and retarded readers. Self concept test performance was found to be significantly and negatively related to age, school grade and each measure of achievement. (Author/SDH)
Descriptors: Academic Achievement, Age, Elementary School Students, Grades (Scholastic)
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Waber, Deborah P.; Weiler, Michael D.; Wolff, Peter H.; Bellinger, David; Marcus, David J.; Ariel, Raya; Forebes, Peter; Wypig, David – Child Development, 2001
Compared the processing of rapid auditory stimuli on two-tone auditory discrimination tasks by 7- to 11-year-olds with learning impairments (LI) and those without learning impairments (non-LI). Found that LI children committed more errors, but the effects of timing were comparable. Obtained same results with a sample of good and poor readers. Task…
Descriptors: Auditory Stimuli, Children, Cognitive Processes, Comparative Analysis