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Erdener, Dogu; Burnham, Denis – Journal of Child Language, 2018
Despite the body of research on auditory-visual speech perception in infants and schoolchildren, development in the early childhood period remains relatively uncharted. In this study, English-speaking children between three and four years of age were investigated for: (i) the development of visual speech perception--lip-reading and visual…
Descriptors: Auditory Perception, Visual Perception, Vocabulary Development, Receptive Language
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Kalashnikova, Marina; Burnham, Denis – Journal of Child Language, 2018
This longitudinal study assessed three acoustic components of maternal infant-directed speech (IDS) -- pitch, affect, and vowel hyperarticulation -- in relation to infants' age and their expressive vocabulary size. These three individual components were measured in IDS addressed to infants at 7, 9, 11, 15, and 19 months (N = 18). All three…
Descriptors: Infants, Acoustics, Phonology, Language Acquisition