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Graf Estes, Katharine; Hay, Jessica F. – Child Development, 2015
The present experiments tested bilingual infants' developmental narrowing for the interpretation of sounds that form words. These studies addressed how language specialization proceeds when the environment provides varied and divergent input. Experiment 1 (N = 32) demonstrated that bilingual 14- and 19-month-olds learned a pair of object labels…
Descriptors: Bilingualism, Infants, Language Usage, Environmental Influences
Hay, Jessica F.; Graf Estes, Katharine; Wang, Tianlin; Saffran, Jenny R. – Child Development, 2015
Infants must develop both flexibility and constraint in their interpretation of acceptable word forms. The current experiments examined the development of infants' lexical interpretation of non-native variations in pitch contour. Fourteen-, 17-, and 19-month-olds (Experiments 1 and 2, N = 72) heard labels for two novel objects; labels…
Descriptors: Infants, Intonation, Auditory Perception, Suprasegmentals

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