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Pegg, Judith E.; And Others – 1989
A total of 60 infants of 7 weeks of age were tested in a habituation-dishabituation looking procedure to determine if they could discriminate between infant-directed talk (IDT) and adult-directed talk (ADT) uttered by the same speaker. One group of 12 infants was habituated to a female speaker's ADT and dishabituated to the same speaker's IDT,…
Descriptors: Auditory Stimuli, Communication Research, Females, Habituation

Moore, David S.; Spence, Melanie J.; Katz, Gary S. – Developmental Psychology, 1997
Two experiments examined 6-month olds' ability to categorize natural infant-directed utterances. Infants heard seven different tokens from one class of utterance (comforting, approving). Findings indicated that infants who later heard a test stimulus from the unfamiliar class showed response recovery, whereas those who heard a novel stimulus from…
Descriptors: Auditory Stimuli, Caregiver Speech, Classification, Cognitive Development