Although cross-linguistic research on second language tense-aspect acquisition has uncovered universal tendencies concerning the association between verbal semantics and tense-aspect markers, it is still unclear what mechanisms underlie this link. This study investigates the acquisition of two imperfective aspect markers ("-ko iss-" and…

Attempts to characterize the process of first language acquisition by children. Suggests that language learning involves the acquisition of both language knowledge and language behavior, hence of the internalized representations underlying linguistic competence and also the ability to deploy this knowledge in interpreting and speaking the language…

This paper presents a case study of the untutored acquisition of English by a 33-year-old Costa Rican male. Three causes for his lack of linguistic development over a 10-month period are considered: ability, age, and social and psychological distance. The third of these is seen as the cause. (Author/POP)

It is argued here that childhood phonological errors systematically simplify the child's inventory of phonetic elements and strings. (Author/KM)