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Developmental dyscalculia and down syndrome: indicative evidence


Cuskelly, M and Faragher, R, Developmental dyscalculia and down syndrome: indicative evidence, International Journal of Disability, Development and Education, 66, (2) pp. 151-161. ISSN 1034-912X (2019) [Refereed Article]

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Copyright 2019 Informa UK Limited, trading as Taylor & Francis Group

DOI: doi:10.1080/1034912X.2019.1569209


This study investigated the hypothesis that developmental dyscalculia is part of the behavioural phenotype of Down syndrome. One hundred and fifty-one individuals with Down syndrome across three age groups contributed data. These age groups were: 68 years (n = 41); 1315 years (n = 70); and 2022 years (n = 40). Data were collected using the Stanford-Binet (Fourth Edition) and age equivalent scores on the Pattern Analysis and Quantitative subscales were used in the analyses. A repeated measure ANOVA showed a significant difference between performances on the two subtests with an interaction with age group. While performance on Pattern Analysis was better than on Quantitative for all groups the difference was most marked for the oldest group. Approximately 66% of the participants had a higher age equivalent score on the Pattern Analysis subscale than on the Quantitative subscale. It appears to be plausible that developmental dyscalculia contributes to the behavioural phenotype of Down syndrome and further investigation of this proposition is warranted.

Item Details

Item Type:Refereed Article
Keywords:down syndrome, dyscalculia
Research Division:Education
Research Group:Curriculum and pedagogy
Research Field:Mathematics and numeracy curriculum and pedagogy
Objective Division:Education and Training
Objective Group:Teaching and curriculum
Objective Field:Pedagogy
UTAS Author:Cuskelly, M (Professor Monica Cuskelly)
ID Code:134835
Year Published:2019
Web of Science® Times Cited:3
Deposited By:Education
Deposited On:2019-09-06
Last Modified:2020-05-25

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