This dissertation investigates clitic doubling of both dative and accusative objects in adult and child language. It reports on three experimental studies designed to discover the specific distributional properties of this phenomenon, with particular attention to the effect of "rheme" and "kontrast," two distinct concepts often collapsed as…

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.…

Explores one aspect of the possible relationship between speech perception and the awareness of linguistically relevant sound patterns in the first years of word reading. No evidence emerged of a concurrent association between children's skills in labelling speech sounds at the beginning of words and their phonological awareness of either rhyme or…

Examines evidence offered to support the idea of a sensitive period for second language acquisition. Findings indicate that there is insufficient evidence to accept the claim that mastery of a second language is determined wholly, or even primarily, by maturational factors. (34 references) (Author/CK)

Examines the results of a nonce-verb test administered to adults and children in five hispanophone communities to determine their control of the inflectional morphology of the Spanish verbal system. Results indicate that adults have less access to natural productive verbal processes than do children. Notes that these results have implications for…