Donlan, C;
Cowan, R;
Newton, EJ;
Lloyd, D;
(2007)
The role of language in mathematical development: Evidence from children with specific language impairments.
Cognition
, 103
(1)
pp. 23-33.
10.1016/j.cognition.2006.02.007.
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Abstract
A sample (n = 48) of eight-year-olds with specific language impairments is compared with age-matched (n = 55) and language matched controls (n = 55) on a range of tasks designed to test the interdependence of language and mathematical development. Performance across tasks varies substantially in the SLI group, showing profound deficits in production of the count word sequence and basic calculation and significant deficits in understanding of the place-value principle in Hindu-Arabic notation. Only in understanding of arithmetic principles does SLI performance approximate that of age-matched-controls, indicating that principled understanding can develop even where number sequence production and other aspects of number processing are severely compromised.
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