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The natural history of speech impairment of 8-year-old children in the Avon Longitudinal Study of Parents and Children: Error rates at 2 and 5 years (2009)
Journal Article
Peters, T. J., Miller, L. L., Roulstone, S., & Wren, Y. (2009). The natural history of speech impairment of 8-year-old children in the Avon Longitudinal Study of Parents and Children: Error rates at 2 and 5 years. International Journal of Speech-Language Pathology, 11(5), 381-391. https://doi.org/10.1080/17549500903125111

This prospective longitudinal population study observed the speech of 741 children at the ages of 2, 5 and 8 years. At the age of 8, 132 children were categorized as speech impaired. There was strong evidence of differences between the case and contr... Read More about The natural history of speech impairment of 8-year-old children in the Avon Longitudinal Study of Parents and Children: Error rates at 2 and 5 years.

A systematic review of environmental interventions to improve child language outcomes for children with or at risk of primary language impairment (2009)
Journal Article
Pickstone, C., Goldbart, J., Marshall, J., Rees, A., & Roulstone, S. (2009). A systematic review of environmental interventions to improve child language outcomes for children with or at risk of primary language impairment. Journal of Research in Special Educational Needs, 9(2), 66-79. https://doi.org/10.1111/j.1471-3802.2009.01119.x

Systematic reviews are important as a key source of information for commissioners and for developing practice in speech and language therapy (SLT) and early years. Interventions in this field are often complex and are delivered in community settings.... Read More about A systematic review of environmental interventions to improve child language outcomes for children with or at risk of primary language impairment.