A study of the free speech pronoun usage of 15 normal and 15 language-delayed children (2-5 years old) showed that it is possible to distinguish between children at five different levels of language development by considering linguistically relevant pronoun properties. (Author)

To determine whether children's language patterns are learned responses or inherently organized, this study observed children's responses to commands. The 13 subjects were middle class children aged 18 to 30 months. The children were rated as verbally mature, intermediate, or immature; and responses were classified as action, verbal, and relevant.…

Longitudinal data on the unstructured interactions at home of nine children (ages 11-60 months) with Down syndrome were used to compare individual differences in initial expressive vocabulary growth to data on 42 children without disabilities. Findings indicate that the overall pattern of vocabulary growth was similar in all the children.…

This bibliography contains references to materials relating to language learning and development in the young child, specifically, speaking and understanding language. Receptive, communicative and expressive language as well as particular facets of language imitation and production are topics included. Reference materials are listed in four major…

The PLS-4 (Preschool Language Scale, 4th edition) is a psychometrically sound instrument constructed to assess language skills in children from birth to 6 years 11 months. It is a useful diagnostic and research tool that can be used to identify current comprehension and expressive language skills and can measure changes in language skills over…