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71 language-disordered children aged from 6 years 3 months to 13 years 1 month were compared with 281 control children aged from 3 years 9 months to 13 years 2 months on the Peabody Picture Vocabulary Test and experimental Test for Reception of Grammar (TROG). The majority of language-disordered children, including those classified as having expressive disorders, performed below age-level on both tests, with girls doing more poorly than boys. The pattern of performance of language-disordered children on TROG was unusual, but it is recognized that this could be a consequence of their special education. Within the language-disordered group there was a strong correlation between language comprehension and complexity of expressive speech.


Journal article


Developmental Medicine and Child Neurology

Publication Date





225 - 238