Using Locke's 1983 model, analyzes one tendency, consonant use in babbling and early words, and phonological word-selection patterns in 10 children, aged 8 to 16 months. Individual differences were found in all three domains analyzed, with some increase in uniformity across subjects with increasing knowledge of language. (Author/SED)

Examined the strength of the association between language exposure estimates and vocabulary learning for simultaneous bilingual infants with differing patterns of exposure to the languages being learned. Findings revealed that the correlation was strong, even for children whose language environments changed by more than 20% between observations.…