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Swingley, Daniel; Humphrey, Colman – Child Development, 2018
To evaluate which features of spoken language aid infant word learning, a corpus of infant-directed speech (M. R. Brent & J. M. Siskind, 2001) was characterized on several linguistic dimensions and statistically related to the infants' vocabulary outcomes word by word. Comprehension (at 12 and 15 months) and production (15 months) were…
Descriptors: Infants, Computational Linguistics, Vocabulary Development, English (Second Language)
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Lucero, Audrey – Child Development, 2015
This study investigated relations among microlevel and macrolevel domains of oral narrative retells within and across the languages of Spanish-speaking bilingual children. Fifty-six first and second graders (M[subscript age] = 7 years, 3 months) were assessed on a retell task in Spanish and English. Two statistical analyses were conducted: (a)…
Descriptors: Spanish Speaking, Bilingualism, Grade 1, Grade 2
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Salomo, Dorothe; Liszkowski, Ulf – Child Development, 2013
Daily activities of forty-eight 8- to 15-month-olds and their interlocutors were observed to test for the presence and frequency of triadic joint actions and deictic gestures across three different cultures: Yucatec-Mayans (Mexico), Dutch (Netherlands), and Shanghai-Chinese (China). The amount of joint action and deictic gestures to which infants…
Descriptors: Sociocultural Patterns, Nonverbal Communication, Infants, Cultural Differences
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Propper, Cathi; Moore, Ginger A.; Mills-Koonce, W. Roger; Halpern, Carolyn Tucker; Hill-Soderlund, Ashley L.; Calkins, Susan D.; Carbone, Mary Anna; Cox, Martha – Child Development, 2008
This study investigated dopamine receptor genes ("DRD2" and "DRD4") and maternal sensitivity as predictors of infant respiratory sinus arrhythmia (RSA) and RSA reactivity, purported indices of vagal tone and vagal regulation, in a challenge task at 3, 6, and 12 months in 173 infant-mother dyads. Hierarchical linear modeling (HLM) revealed that at…
Descriptors: Infants, Genetics, Mothers, Biochemistry
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Salamy, A. – Child Development, 1981
Determines the frequency distribution of Brainstem Auditory Evoked Potential variables (BAEP) for premature babies at different stages of development--normal newborns, infants, young children, and adults. The author concludes that the assumption of normality underlying most "standard" statistical analyses can be met for many BAEP…
Descriptors: Adults, Age Differences, Auditory Stimuli, Classification