Non‐Word Repetition In Children With Language Impairment‐Pitfalls And Possibilities

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Abstract
Specific language impairment has, although not without controversy, been considered as a consequence of a phonological memory deficit. Non‐word repetition has been proposed as a reliable index of phonological memory and also as predictive of lexical and grammatical development in normally developing and language‐impaired children. The main aim was to study the relationship between repetition of words and non‐words and expressive language skills (phonology and grammar) in 27 5‐year‐old children with language impairment. The authors also wanted to explore the influence of lexical stress on repetition skills. The results showed that words were significantly easier to repeat than non‐words and that non‐word repetition skills were significantly correlated to phonological and grammatical development. The most important predictor of non‐word repetition skills was output phonology. The conclusion is that nonword repetition is not a single, reliable index of phonological memory in preschool children with language impairment. Also, the influence of prosodic variables on segmental aspects of speech production should not be overlooked in non‐word construction, since it was found that unstressed syllables were omitted six times more often in prestressed than in post‐stressed positions of the words and non‐words.