Lexical-semantic skills in bilingual children who are becoming English-dominant: A longitudinal study

Twenty-seven Mandarin–English bilingual children participated in picture identification and picture naming tasks at two time points, 16 months apart. The younger children (mean age = 4 years) showed greater gains over time than the older children (mean age = 6 years 10 months) in English lexical-semantic skills and neither group showed significant gains in Mandarin. At the individual level, a majority of the children showed increased accuracy...