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Kachergis, George; Marchman, Virginia A.; Dale, Philip S.; Mankewitz, Jessica; Frank, Michael C. – Journal of Speech, Language, and Hearing Research, 2022
Purpose: Measuring the growth of young children's vocabulary is important for researchers seeking to understand language learning as well as for clinicians aiming to identify early deficits. The MacArthur-Bates Communicative Development Inventories (CDIs) are parent report instruments that offer a reliable and valid method for measuring early…
Descriptors: Computer Assisted Testing, Vocabulary Development, English, Spanish
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Lazenby, DeWayne C.; Sideridis, Georgios D.; Huntington, Noelle; Prante, Matthew; Dale, Philip S.; Curtin, Suzanne; Henkel, Lisa; Iverson, Jana M.; Carver, Leslie; Dobkins, Karen; Akshoomoff, Natacha; Tagavi, Daina; Nelson, Charles A., III; Tager-Flusberg, Helen – Journal of Autism and Developmental Disorders, 2016
Little is known about early language development in infants who later develop autism spectrum disorder (ASD). We analyzed prospective data from 346 infants, some of whom were at high risk for developing ASD, to determine if language differences could be detected at 12 months of age in the infants who later were diagnosed with ASD. Analyses…
Descriptors: Autism, Pervasive Developmental Disorders, Infants, Language Acquisition
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Harlaar, Nicole; Meaburn, Emma L.; Hayiou-Thomas, Marianna E.; Davis, Oliver S. P.; Docherty, Sophia; Hanscombe, Ken B.; Haworth, Claire M. A.; Price, Thomas S.; Trzaskowski, Maciej; Dale, Philip S.; Plomin, Robert – Journal of Speech, Language, and Hearing Research, 2014
Purpose: Researchers have previously shown that individual differences in measures of receptive language ability at age 12 are highly heritable. In the current study, the authors attempted to identify some of the genes responsible for the heritability of receptive language ability using a "genome-wide association" approach. Method: The…
Descriptors: Receptive Language, Genetics, Individual Differences, Twins
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Hayiou-Thomas, Marianna E.; Dale, Philip S.; Plomin, Robert – Journal of Speech, Language, and Hearing Research, 2014
Purpose: The authors of this article examined the etiology of developmental language impairment (LI) at 4 and 12 years of age, as well as the relationship between the 2. Method: Phenotypic and quantitative genetic analyses using longitudinal data from the Twins Early Development Study (Oliver & Plomin, 2007) were conducted. A total of 2,923…
Descriptors: Language Impairments, Prediction, Etiology, Twins
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Dale, Philip S.; Harlaar, Nicole; Hayiou-Thomas, Marianna E.; Plomin, Robert – Journal of Speech, Language, and Hearing Research, 2010
Purpose: In the 2nd decade of life, language skills expand in both quantitative and qualitative ways. The etiology of these new skills and the relationships among them have been little explored. Method: Taking advantage of widespread access to inexpensive and fast Internet connections in the United Kingdom, we administered four Web-based measures…
Descriptors: Receptive Language, Language Skills, Twins, Preadolescents
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Dale, Philip S.; Henderson, Valanne L. – Language, Speech, and Hearing Services in Schools, 1987
Comparison of Test of Early Language Development (TELD) scores of developmentally-delayed three- to six-year-olds (N=85) with other language and cognition measures indicated that TELD scores documented language delays, correlating strongly with other language measures, but failed to accurately classify subjects clinically classified as…
Descriptors: Developmental Disabilities, Disability Identification, Expressive Language, Language Handicaps
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Feldman, Heidi M.; Dale, Philip S.; Campbell, Thomas F.; Colborn, D. Kathleen; Kurs-Lasky, Marcia; Rockette, Howard E.; Paradise, Jack L. – Child Development, 2005
The MacArthur-Bates Communicative Development Inventories (CDI; Dale, 1996; Fenson et al., 1994), parent reports about language skills, are being used increasingly in studies of theoretical and public health importance. This study (N=113) correlated scores on the CDI at ages 2 and 3 years with scores at age 3 years on tests of cognition and…
Descriptors: Language Skills, Public Health, Receptive Language, Predictive Validity