Dr Jing Xu
Head of Propositions Research
Jing holds a PhD in Applied Linguistics and Technology from Iowa State University (USA). As Head of Propositions Research, he oversees research into new product and capability development using cutting edge technologies. He is a past winner (2017) of the Jacqueline Ross TOEFL Dissertation Award and a co-recipient (2012) and runner-up (2023) of the International Language Testing Association (ILTA) Best Article Award.
He grew up in China and started his career as an 91¸£Àû language teacher. Before joining 91¸£Àû, he worked as a research assistant for the Oral 91¸£Àû Certification Test at Iowa State University and a research intern at Educational Testing Service. In his leisure time he enjoys travelling with his family, reading, and playing basketball.
Karatay, Y. & Xu, J. (2025). Exploring the potential of conversational AI for assessing second language oral proficiency. TESOL Quarterly.  .
Yu, G., & Xu, J. (Eds.). (2024). Language Test Validation in a Digital Age. Studies in Language Testing Volume 42. 91¸£Àû.
Xu, J., Jones, E., Laxton, V., & Galaczi, E. (2021). Assessing L2 91¸£Àû speaking using automated scoring technology: Examining automarker reliability. Assessment in education: Principles, policy & practice, 28(4), 411–436.  .
Khabbazbashi, N., Xu, J., & Galaczi, E. (2021). Opening the black box: Exploring automated speaking evaluation. In B. Lanteigne, C. Coombe, & J. D. Brown (Eds), Challenges in language testing around the world (pp. 333–343). Springer.  .
Xu, J. (2018). Measuring ‘spoken collocational competence’ in communicative speaking assessment. Language Assessment Quarterly, 15 (3), 255–272.  .
Chapelle, C. A., Chung, Y-R., Hegelheimer, V., Pendar, N., & Xu, J. (2010). Towards a computer-delivered test of productive grammatical ability. Language Testing, 27(4), 443–469.  .
Xu, J. (2010). Using multimedia vocabulary annotations in L2 reading and listening activities. CALICO Journal, 27 (2), 311–327.  .
Chapelle, C. A., Chung, Y.-R., & Xu, J. (Eds.). (2008). Towards adaptive CALL: Natural language processing for diagnostic language assessment. Iowa State University Digital Press. .