It has long been known that children may use a particular grammatical morpheme inconsistently at early stages of acquisition. Although this has often been thought to be evidence of incomplete syntactic representations, there is now a large body of crosslinguistic evidence showing that much of this early within-speaker variability is due to still…

The aim of the present study was to analyze the relative influence of age at implantation, parental expansions, and child language internal factors on grammatical progress in children with cochlear implants (CI). Data analyses used two longitudinal corpora of spontaneous speech samples, one with twenty-two and one with twenty-six children,…

This is a study of the lexical and grammatical abilities of 16 lexically precocious talkers. These children, aged 2;0 were compared to their age-matched peers, 22 typical talkers aged 2;0, and their expressive vocabulary-matched peers, 22 typical talkers aged 2;6. Individual differences in children's lexical knowledge at 2;0 were stable -- evident…

This paper, based on naturalistic data, describes the acquisitional course and use of the articles "a" and "the" in young English-speaking children (18-61 months), with special emphasis on the role of individual variation. A growth modeling approach to the data reveals that children's individual acquisition schedules are similar in trend, but vary…

A study designed to investigate to what extent ethno-linguistic background affects speech patterns and syntactic flexibility of grades one, four and six children from monolingual, bilingual-French and bilingual-German rural communities. A total of 216 randomly selected subjects were used; they were selected from nine rural Manitoba schools, and…

This book is the second to present the results on a study of how children's practice of speech, as shaped by family interaction, affects learning to talk. Participating in the study were 42 diverse families with young children. Each month for 2.5 years the interactions between 42 one- to two-year-olds and their parents were recorded as the…