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Direct linkvan Galen, Mirte S.; Reitsma, Pieter – Journal of Experimental Child Psychology, 2008
The SNARC (spatial-numerical association of response codes) effect refers to the finding that small numbers facilitate left responses, whereas larger numbers facilitate right responses. The development of this spatial association was studied in 7-, 8-, and 9-year-olds, as well as in adults, using a task where number magnitude was essential to…
Descriptors: Number Concepts, Numeracy, Children, Adults
Shen, Hong – Journal of the International Association of Special Education, 2006
The abacus is a calculating tool that has been used in Asia for thousands of years. Mental abacus calculation is a skill in which an abacus image in the mind is used without the actual physical manipulation of the abacus. Using this method, people can perform extremely rapid and accurate mental calculations. Research indicates that abacus training…
Descriptors: Mathematics Education, Moderate Mental Retardation, Mathematics Achievement, Mental Computation
