Towards an Understanding of Retarded Children's Linguistic Deficiencies

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Abstract
The purpose of this study was to provide a more accurate description of the language pertbrmance of retarded children and, by doing so, to understand better how the general mental handicap affects language learning. Subjects were a group of 10 retarded children matched for MA to a group of 10 normal children and 10 language-impaired children. Various syntactic and semantic analyses were performed. The results indicated that the retarded group's language abilities were essentially comparable to those of the normal group, though differences between these groups were found. Notably, the retarded children did not demonstrate the same linguistic deficiencies as the language-impaired children. It was suggested that the MA-inconsistent language behaviors exhibited by the retarded children were quantitative in nature rather than qualitative and as such seemed to reflect deficits in adaptive (i.e., social) and motivational behaviors rather than deficits in linguistic or cognitive abilities.