1. ‘Having a decent understanding of more than one language’: exploring multilingualism with secondary school students in England
2. Baker, C. (2011). Foundations of bilingual education and bilingualism (5th ed). Multilingual Matters.
3. Boyle, G. J., Hermes, E., Matthews, G., & Izard, C. E. (2014). Measures of affect dimensions. In G. J. Boyle, D. H. Saklofske, & G. Matthews (Eds.), Measures of personality and social psychological constructs (pp. 190–226). Elsevier Science and Technology.
4. Boyle, G. J., Saklofske, D. H., & Matthews, G. (2014). Criteria for selection and evaluation of scales and measures. In G. J. Boyle, D. H. Saklofske, & G. Matthews (Eds.), Measures of personality and social psychological constructs (pp. 3–15). Elsevier Science and Technology.
5. Choosing the right type of rotation in PCA and EFA;Brown J. D.;Shiken: JALT Testing & Evaluation Newsletter,2009