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Comprehension in Developmental Language Disorders

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 an 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.