Fluency, Age, and Residence

While working through the references for my non-fiction graphic novel (now titled Open Borders: The Science and Ethics of Immigration; forthcoming fall 2019), I came across a nice paper confirming our standard intuitions about language acquisition.  The piece is Gillian Stevens’ “Age at Immigration and Second Language Proficiency Among Foreign-Born Adults” (Language in Society, 1999).  Background:

When investigating second language (L2) acquisition among immigrants, sociologists and economist...