title: Using census data to test the critical-period hypothesis for second-language acquisition.
authors.affiliation: Department fo Sociology, University of Illinois at Urbana-Champaign, 61801, USA. gstevens@uiuc.edu
authors.forename: Gillian
authors.initials: G
authors.lastname: Stevens
mesh_terms: D000328:Adult; D000367:Age Factors; D001076:Aptitude; D004641:Emigration and Immigration; D006801:Humans; D007802:Language; D008875:Middle Aged; D014706:Verbal Learning