Journal Articles

  1. & Measuring the contribution of academic and general vocabulary knowledge to learners' academic achievement. Journal of English for Academic Purposes 31, 44-57.
  2. & How many words do you need to speak Arabic? An Arabic vocabulary size test. The Language Learning Journal, 1-18.
  3. & How Different Is Arabic from Other Languages?. Journal of Applied Linguistics and Language Research 3(1), 15-35.
  4. French lexis and formal exams in the British foreign language classroom. Revue Francaise de Linguistique Appliquee 20(1), 107-120.
  5. & Investigating the Relationship between the Morphological Processing of Regular and Irregular Words and L2 Vocabulary Acquisition. International Journal of Applied Linguistics and English Literature 4(4), 192-199.
  6. & Phonological vocabulary size, orthographic vocabulary size, and EFL reading ability among native Arabic speakers.. Journal of Applied Linguistcs 30, 26-43.
  7. The impact of L1 lexical organisation in L2 vocabulary acquisition. Language in Focus Journal 1(1), 15-34.
  8. & Word Difficulty and Learning among Native Arabic Learners of EFL. English Language Teaching 8(6)
  9. & An investigation of the relationship between L1 lexial translation equivalence and L2 vocabulary knowledge. International Jounral of English Linguistics 5(2), 1-7.
  10. Vocabulary size revisited: the link between vocabulary size and academic achievement. Applied Linguistics Review 4(3), 151-172.
  11. Foreign language development through activities in an on-line 3D environment. Language learning Journal 40(1), 99-112.
  12. Vocabulary uptake from informal learning tasks. Language Learning Journal 36(2), 227-237.
  13. French vocabulary breadth among learners in the British school and university system: comparing knowledge over time. Journal of French Language Studies 18(03), 333


  1. & (Eds.). Dimensions of Vocabulary Knowledge. Basingstoke.
  2. Measuring Second Language Vocabulary Acquisition. Bristol: Multilingual Matters.
  3. & (Eds.). Vocabulary Studies in First and Second Language Acquisition: The Interface Between Theory and Application. Basingstoke: Palgrave Macmillan.

Book Chapters

  1. & Measuring child L2 vocabulary acquisition through immersion in school.. In C. Gitsaki and T. Alexiou (Ed.), Current Trends in Second/Foreign Language Teaching and Teacher Education: Research Perspectives..
  2. & Kowledge of spoken form. In J Milton and T Fitzpatrick (Ed.), Dimensions of vocabulary knowledge. (pp. 13-29). Palgrave Macmillan: Basingstoke.
  3. & Conclusion: reconstructing vocabulary knowledge. In J. Milton and T. Fitzpatrick (Ed.), Dimensions of vocabulary knowledge. (pp. 173-177). Palgrave Macmillan: Basingstroke.
  4. & Introduction: deconstructing vocabulary knowledge. In J. Milton and T. Fitzpatrick (Ed.), Dimensions of vocabulary knowledge. (pp. 1-12). Palgrave Macmillan: Basingstroke.
  5. The acquisition of the lexicon.. In Julia Herschensohn and Martha Young-Scholten (Ed.), The Cambridge Handbook of Second Language Acquisition. (pp. 441-460). Cambridge.