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Jones, Celeste Pappas; Adamson, Lauren B. – Child Development, 1987
Communication in mother-infant dyads and mother-infant-sibling triads was examined to determine how variation in the number of people and type of activity affect the ways language is used by all participants. Homebased observations were made of 16 first- and 16 later-born children when they were between 18 and 23 months old. (Author/BN)
Descriptors: Birth Order, Home Visits, Infants, Language Acquisition