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Mitsven, Samantha G.; Perry, Lynn K.; Tao, Yudong; Elbaum, Batya E.; Johnson, Neil F.; Messinger, Daniel S. – Developmental Science, 2022
Over half of US children are enrolled in preschools, where the quantity and quality of language input from teachers are likely to affect children's language development. Leveraging repeated objective measurements, we examined the rate per minute and phonemic diversity of child and teacher speech-related vocalizations in preschool classrooms and…
Descriptors: Preschool Children, Phonemic Awareness, Oral Language, Predictor Variables
Melby-Lervåg, Monica; Hagen, Åste Mjelve; Lervåg, Arne – Developmental Science, 2020
While we know that interventions targeting oral language can be effective, little is known about what drives these effects. In this study, we examine whether gains in transfer measures are mediated through the specific words that are trained in a language intervention. Based on a large-scale randomized controlled trial of language intervention in…
Descriptors: Oral Language, Transfer of Training, Intervention, Receptive Language
Liu, Janelle; Tsang, Tawny; Ponting, Carolyn; Jackson, Lisa; Jeste, Shafali S.; Bookheimer, Susan Y.; Dapretto, Mirella – Developmental Science, 2021
Word segmentation is a fundamental aspect of language learning, since identification of word boundaries in continuous speech must occur before the acquisition of word meanings can take place. We previously used functional magnetic resonance imaging (fMRI) to show that youth with autism spectrum disorder (ASD) are less sensitive to statistical and…
Descriptors: Infants, At Risk Persons, Autism, Pervasive Developmental Disorders
Mahr, Tristan; Edwards, Jan – Developmental Science, 2018
Children learn words by listening to caregivers, and the quantity and quality of early language input predict later language development. Recent research suggests that word recognition efficiency may influence the relationship between input and vocabulary growth. We asked whether language input and lexical processing at 28-39 months predicted…
Descriptors: Language Acquisition, Listening, Linguistic Input, Language Processing
Knauer, Heather A.; Kariger, Patricia; Jakiela, Pamela; Ozier, Owen; Fernald, Lia C. H. – Developmental Science, 2019
In many low- and middle-income countries, young children learn a mother tongue or indigenous language at home before entering the formal education system where they will need to understand and speak a country's official language(s). Thus, assessments of children before school age, conducted in a nation's official language, may not fully reflect a…
Descriptors: Multilingualism, African Languages, Rural Areas, English (Second Language)