Brings together contributions from internationally-renowned researchers in this field Brings together contributions from internationally-renowned researchers on new approaches and developments in the field of vocabulary research and testing. List of contributors vii List of abbreviations viii Acknowledgements ix Foreword xi Series Editors' Preface xii Editors' introduction Conventions, terminology and an overview of the book 1(32) Helmut Daller James Milton Jeanine Treffers-Daller I Fundamental issues 33(12) Fundamental issues in modelling and assessing vocabulary knowledge 35(10) Paul Nation II Vocabulary and learner differences 45(32) Lexical profiles, learning styles and the construct validity of lexical size tests 47(12) James Milton Learners' response behaviour in Yes/No Vocabulary Tests 59(18) June Eyckmans Hans Van de Velde Roeland van Hout Frank Boers III The unit of assessment and multiple vocabulary measures 77(88) Validity and threats to the validity of vocabulary measurement 79(14) Brian Richards David Malvern Comparing measures of lexical richness 93(23) Roeland van Hout Anne Vermeer Productive vocabulary tests and the search for concurrent validity 116(17) Tess Fitzpatrick Exploring measures of vocabulary richness in semi-spontaneous French speech 133(17) Francoise Tidball Jeanine Treffers-Daller Lexical richness and the oral proficiency of Chinese EFL students 150(15) Helmut Daller Huijuan Xue IV Metaphors and measures in vocabulary knowledge 165(40) Implementing graph theory approaches to the exploration of density and structure in L1 and L2 word association networks 167(15) Clarissa Wilks Paul Meara Insights into the structure of L1 and L2 vocabulary networks: intimations of small worlds 182(23) Ellen Schur V Vocabulary measures in use 205(40) Assessing vocabulary for the purpose of reading diagnosis 207(13) Hilde Hacquebord Berend Stellingwerf The best of both worlds? Combined methodological approaches to the assessment of vocabulary in oral proficiency interviews 220(14) Nuria Lorenzo-Dus What is in a teacher's mind? Teacher ratings of EFL essays and different aspects of lexical richness 234(11) Helmut Daller David Phelan References 245(18) Appendices 263(6) Index 269