Children identified as late talkers at 20-34 months of age were followed yearly throughout the preschool period. Data suggest that the longer a language delay persists, the less the chance of spontaneous recovery during the preschool period. Late-talking girls had less chance for spontaneous recovery than did late-talking boys. (Author/JDD)

Explores the relations between temperament, communicative competence, and humor expression among four- and five-year-old nursery school children. Shows that ratings of communicative competence and various dimensions of temperament account for a significant proportion of the variance in the reported frequency of children's laughter and verbal and…

Infant's crying may have an important mediating role in the formation of attachment behavior. The earliest vocalizations are discussed in terms of an acoustic communications model in which the baby's vocal repertoire becomes incorporated into a closed-loop, feedback system with his mother. Certain pre-lingual "signals" may be associated with those…