Recent decades have seen an increase in research informing our understanding of the complex ways in which bilingual development is shaped by biological, cognitive, and behavioral factors. We investigate the predictors that shape, drive, and constrain the development of the first language (L1) of bilinguals, focusing on 92 Turkish-English bilingual…

This study investigated second language (L2) lexical development in the spontaneous speech of six adult, L2 English learners in a 1-year longitudinal study. One important aspect of lexical development is lexical organization and depth of knowledge. Hypernymic relations, the hierarchical relationships among related words that vary in relation to…

Tracked the acquisition of 11 words over the course of a year for three adult learners with advanced proficiency in English. Four kinds of words were measured for knowledge: spelling, associations, grammatical information, and meaning. (Author/JL)

A semantic-relatedness test and a cloze-type/sentence-completion test compared meanings ascribed to spatial prepositions by adult native English and advanced English-as-a-second-language speakers. Non-native speakers differed from native speakers in the semantic boundaries ascribed to the words, with the differences deriving from weighting…