Language variation and change Social variation in language use
Language contact The structure of spoken language
Social dialectology Language and education
2014-2019 ATheME (Advancing the Multilingual Experience). EU Framework 7 Partnership. With QMUL Linguistics colleagues.
2010-2014 Multicultural London English/Multicultural Paris French. ESRC. With Penelope Gardner- Chloros and Maria Secova.
2010-2011 From sociolinguistic research to English language teaching. ESRC. With Susan Fox and Paul Kerswill.
With Paul Kerswill, Susan Fox and Eivind Torgersen.