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…