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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