title: Individual differences in second-language ability: a factor-analytic study.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007802:Language; D007858:Learning; D008297:Male; D009426:Netherlands; D006113:United Kingdom / Q000208:ethnology