VERBAL OPERANTS IN MOTHERS SPEECH TO NONRETARDED AND DOWNS-SYNDROME CHILDREN MATCHED FOR LINGUISTIC LEVEL

  • 1 January 1979
    • journal article
    • research article
    • Vol. 83  (5) , 446-452
Abstract
Verbal response classes produced by mothers speaking to 21 nonretarded children were compared with those of mothers speaking to 21 Down''s syndrome children matched with them on mean length of utterance. As mean length of utterance increased, total verbal response classes increased for both groups of mothers and children. Nonretarded children and their mothers produced more echoics: retarded children and their mothers produced more intraverbals. Previous research and the teaching of language were discussed.

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