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Pentimonti, Jill; O'Connell, Ann; Justice, Laura; Cain, Kate – Child Development, 2015
The purpose of this study was to empirically examine the dimensionality of language ability for young children (4-8 years) from prekindergarten to third grade (n = 915), theorizing that measures of vocabulary and grammar ability will represent a unitary trait across these ages, and to determine whether discourse skills represent an additional…
Descriptors: Child Development, Language Acquisition, Child Language, Language Skills
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Iverson, Jana M.; Fagan, Mary K. – Child Development, 2004
This study was designed to provide a general picture of infant vocal-motor coordination and test predictions generated by Iverson and Thelen's (1999) model of the development of the gesture-speech system. Forty-seven 6- to 9-month-old infants were videotaped with a primary caregiver during rattle and toy play. Results indicated an age-related…
Descriptors: Infants, Play, Child Language, Infant Behavior