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Cowan, Richard; Powell, Daisy – Journal of Educational Psychology, 2014
Explanations of the marked individual differences in elementary school mathematical achievement and mathematical learning disability (MLD or dyscalculia) have involved domain-general factors (working memory, reasoning, processing speed, and oral language) and numerical factors that include single-digit processing efficiency and multidigit skills…
Descriptors: Elementary School Mathematics, Mathematics Skills, Learning Disabilities, Elementary School Students

Jensen, Arthur R.; Whang, Patricia A. – Contemporary Educational Psychology, 1994
Results of a comparison of 73 Anglo American and 155 Chinese American (CA) fourth through sixth graders on an intelligence test and measures of the speed and consistency of retrieval of arithmetic facts from long-term memory are consistent with the hypothesis that accessing elementary arithmetic knowledge is more completely automatized in CA…
Descriptors: Addition, Anglo Americans, Arithmetic, Chinese Americans