Definition of "sociolinguistics"

This paper surveys the research methods and approaches used in the multidisciplinary field of applied language studies or language education over the last fourty[sic] years. Drawing on insights gained in psycho- and sociolinguistics, educational linguistics and linguistic anthropology with regard to language and culture, it is organized around five major questions that concern language educators.

2014 January, Claire Kramsch, “Language and Culture”, in AILA Review‎, volume 27, number 5, John Benjamins, page 30