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Jiménez, Eva; Hills, Thomas T. – Child Development, 2022
This study investigates the influence of semantic maturation on early lexical development by examining the impact of contextual diversity--known to influence semantic development--on word promotion from receptive to productive vocabularies (i.e., comprehension-expression gap). Study 1 compares the vocabularies of 3685 American-English-speaking…
Descriptors: Semantics, Language Acquisition, Child Development, Delayed Speech
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Curtis, Philip R.; Kaiser, Ann P.; Estabrook, Ryne; Roberts, Megan Y. – Child Development, 2019
Researchers examined whether a parent-implemented language intervention improved problem behaviors 1 year after intervention. Ninety-seven children with language delays (mean age at 12-month follow-up = 48.22 months) were randomized to receive Enhanced Milieu Teaching (EMT) language intervention or business as usual treatment. Twelve months after…
Descriptors: Longitudinal Studies, Intervention, Parent Child Relationship, Behavior Problems
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Swanson, Meghan R.; Shen, Mark D.; Wolff, Jason J.; Boyd, Brian; Clements, Mark; Rehg, James; Elison, Jed T.; Paterson, Sarah; Parish-Morris, Julia; Chappell, J. Chad; Hazlett, Heather C.; Emerson, Robert W.; Botteron, Kelly; Pandey, Juhi; Schultz, Robert T.; Dager, Stephen R.; Zwaigenbaum, Lonnie; Estes, Annette M.; Piven, Joseph – Child Development, 2018
Children's early language environments are related to later development. Little is known about this association in siblings of children with autism spectrum disorder (ASD), who often experience language delays or have ASD. Fifty-nine 9-month-old infants at high or low familial risk for ASD contributed full-day in-home language recordings.…
Descriptors: Infants, Autism, Pervasive Developmental Disorders, Environmental Influences