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Stark, Rachel E.; And Others – Journal of Child Language, 1975
Results are described of a study of vocalizations of two female infants, classified as cry, discomfort, and vegetative sounds, recorded between one and eight weeks of age. The implications for later speech development are discussed. (Author/RM)
Descriptors: Child Language, Infant Behavior, Language Acquisition, Language Patterns

Shore, Cecilia; And Others – Developmental Psychology, 1984
Combinatorial abilities in language and elicited symbolic play were compared in a longitudinal study of 30 children at 20 and 28 months. In addition, multivariate analyses were used to assess the stability of individual differences. Generally, different symbolic play variables contributed unique explained variance to different language variables.…
Descriptors: Body Language, Child Language, Comparative Analysis, Individual Differences

Savic, Svenka – Journal of Child Language, 1975
The early acquisition of the interrogative system, with data from Serbo-Croatian, is investigated. The subject is approached from the angle of adult-child interaction. A first-born pair of dizygotic twins were observed, beginning a month prior to the time when they first began to produce questions. (Author/RM)
Descriptors: Child Language, Infant Behavior, Language Acquisition, Language Patterns
Nicolich, Lorraine McCune – 1975
This study examined (1) the level of symbolic capability as revealed in play, (2) the use of spontaneous vocal imitation, and (3) the nature of certain classes of words occurring in spontaneous infant language. Facets of child behavior were examined during the period of single-word utterances and early multiword combinations with a view to…
Descriptors: Child Language, Cognitive Development, Developmental Psychology, Imitation
Pea, Roy D. – 1977
This study of language development was intended to chart the developmental course of the spontaneous use of negatives and affirmatives by 1 1/2 - 3-year-olds in response to true or false statements concerning familiar objects, properties, and actions. Forty children, 18, 24, 30, and 36 months of age, were assessed for knowledge of the words used…
Descriptors: Child Language, Cognitive Development, Comprehension, Infant Behavior
Lord, Catherine – 1975
The significance of three mothers' speech for their infants' language development is considered in a continuing longitudinal study. The study began when the children (two females and one male) were 5 and 6 months of age and will continue until the subjects are 3 years old. In the speech data reported the children were from 6 to 18 months of age.…
Descriptors: Child Language, Imitation, Infant Behavior, Language Acquisition
Weeks, Thelma E. – 1978
One of the most remarkable aspects of the babbling of some babies is that it is produced with intonation contours that sound very much like adult sentence melodies. This study reviews the literature and examines longitudinal data collected from seven children. Some of the non-adult-like syntactic uses made of intonation by children for…
Descriptors: Child Language, Infant Behavior, Infants, Intonation