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Jeffrey Stewart


Position: Postgraduate Researcher Email:
Area: Centre for Language and Communication Research

PhD Research

Assessing the dimensionality of common constructs of L2 vocabulary knowledge

Supervisor: Tess Fitzpatrick, Professor Alison Wray

Academic Background

M.S.Ed in Tesol, Temple University Japan
Program Director, JALT Vocabulary SIG
Publication Chair, JALT Testing & Evaluation SIG
Member, Japan Association of College English Teachers (JACET)
Member, Psychometric Society
Member, TESOL


Stewart, J., Batty, A. O. and Bovee, N. (2012), Comparing Multidimensional and Continuum Models of Vocabulary Acquisition: An Empirical Examination of the Vocabulary Knowledge Scale. TESOL Quarterly, 46: 695–721. doi: 10.1002/tesq.35

Stewart, J. and White, D. A. (2011). Estimating guessing effects on the Vocabulary Levels Test for differing degrees of word knowledge. TESOL Quarterly, 45: 370–380. doi: 10.5054/tq.2011.254523

Conferences, Symposia and Seminars

Measuring gains in L2 lexical competence (with Ed Schaefer, Ian Munby and Aaron Gibson). JALT National Conference, Kobe Convention Center, Kobe, Japan (2013)

Fundamentals of Item Response Theory (with Aaron Batty). Workshop, Japan Language Testing Association, Waseda University, Tokyo, Japan (2013)

A more objective test of communicative competence in English: Establishing native speaker norms with MFRM (with Aaron Batty). Pacific Rim Objective Measurement Symposium, National Sun Yat-sen University, Kaohsiung, Taiwan (2013)

Assessing the dimensionality of three hypothesized sub-skills of L2 vocabulary knowledge. Cardiff University Lexical Studies conference, Wales, UK (2013)

Program Director, 2013 JALT Vocabulary SIG Symposium, Kyushu Sangyo University, Japan (2013)

Program Director, 2012 JALT Vocabulary SIG Symposium, Kyushu Sangyo University, Japan (2012)