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DOI: 10.1177/026565909601200202 Screening for early language delay in the 18-36 month age-range: the predictive validity of tests of production, and implications for practiceUniversity of Strathclyde
University of Strathclyde
University of Strathclyde Research evidence reveals that the processes of production and compre hension are not functionally discrete before around 28 months. The implications for the predictive validity of standardized screening tests which involve production, particularly those using 'flexible object naming', are considered. Examples of multiphasic and monophasic language screening tests suitable for use with children in the 18-36 month age range are reviewed, and theoretical and empirical issues underlying the development of the First Words and First Sentences tests are explored.
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