Curriculum Vitae
Education
- Ph.D., Applied Linguistics and Technology, Iowa State University (In progress)
- Minor, Statistics, Iowa State University
- Certificate, Quantitative Psychology, Iowa State University
- M.A., English as a Second Language, The University of Toledo (2006)
- B.S., English, Shanghai Jiao Tong University, China (2002)
Awards
- Teaching Excellence Award, Iowa State University (2011)
- Summer Internship, Educational Testing Service (2009)
- Grannis Award, Iowa State University (2006)
- Renmin Scholarship, Shanghai Jiao Tong University (1998)
Publications
- Contributor. Six entries in the Measurement, Evaluation, and Assessment Section. In J. Collins & N. O'Brien (Eds.). (2011). Greenwood Dictionary of Education (2nd ed.). Goleta, CA: ABC-CLIO.
- 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., Hegelheimer, V., Pendar, N., & Xu, J. (2010). Towards a computer-delivered test of productive grammatical ability. Language Testing, 27(4), 443-469.
- Mislevy, R., Chapelle, C. A., Chung, Y.-R., & Xu, J. (2008). Options for adaptivity in computer-assisted language learning and assessment. In C. A. Chapelle, Y.-R. Chung, & J. Xu (Eds.), Towards adaptive CALL: Natural language processing for diagnostic language assessment(pp. 9-24). Ames, IA: Iowa State University.
- Chapelle, C. A., Chung, Y.-R., & Xu, J. (Eds.). (2008). Towards adaptive CALL: Natural language processing for diagnostic language assessment. Ames, IA: Iowa State University.
Manuscripts
- Xu, J. (under review). Learning abstract vocabulary via a hypermedia reading activity. Journal of Educational Multimedia and Hypermedia.
- Xu, J., & Xi, X. (in preparation). Comparing human and machine judgments of collocations and relating them to speaking proficiency.
- Suvorov, R., Cotos, E., & Xu, J. (in preparation). Evaluation of WebSwami for L2 Pronunciation Instruction: A Theory-Based Approach.
Grants
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Cotos, E. & Xu, J. Enhancing opportunities for English pronunciation practice and improvement, 2011. Computation Advisory Committee (CAC), Iowa State University ($43,372)
Presentations at Professional Conferences
- Xu, J. (upcoming). Collocations in learner speech: Accuracy, complexity, and context. Paper to be presented at the 34th Language Testing Research Colloquium (LTRC), Princeton, NJ.
- Xu, J. (2011, October). Evaluating oral collocational production to predict L2 oral proficiency. Paper presented at the 10th East Coast Organization of Language Testers (ECOLT) Conference, Washington D.C.
- Xu, J., & Cotos, E. (2011, October). Relationship of word stress misplacement in L2 speech to oral proficiency ratings. Poster presented at the 30th Second Language Research Forum (SLRF), Ames, IA.
- Cotos, E., Xu, J., & Lee, H-W. (2011, September). Revising an oral proficiency interview test for ITAs. Paper presented at the 13th Midwest Association of Language Testers (MwALT) Conference, Ames, IA.
- Xu, J., & Cotos, E. (2011, June). L2 speech prosodic features in a human-annotated ITA spoken corpus. Poster presented at the 33rd Language Testing Research Colloquium (LTRC), Ann Arbor, MI.
- Xu, J., Cotos, E., & Suvorov, R. (2011, May). Developing CAPT tasks in WebSwami. Paper presented at the 28th Computer Assisted Language Instruction Consortium (CALICO) Conference, British Columbia, Canada.
- Suvorov, R., Cotos, E., & Xu, J. (2011, March). Evaluation of WebSwami for L2 Pronunciation Instruction: A Theory-Based Approach. Paper presented at the Association of American Applied Linguistics (AAAL) Conference 2011, Chicago, IL.
- Xu, J. (2010, September). One step further: The complexity of collocations used in L2 spontaneous speech and their relation to speaking proficiency. Poster presented at the 12th Midwest Association of Language Testers (MwALT) Conference, Dayton, OH.
- Xu, J. & Zhang, Y. (2010, June). Beyond Language: Technology in testing and training international teaching assistants. Poster presented at NAFSA 2010 Annual Conference & Expo, Kansas City, MO.
- Xu, J. & Xi, X. (2010, April). Comparing human and machine judgments of collocations and relating them to speaking proficiency. Paper presented at the 32nd Language Testing Research Colloquium (LTRC), University of Cambridge, UK.
- Xu, J. (2009, March). Learning L2 vocabulary via active vs. passive looking-up behaviors in hypermedia reading. Paper presented at Association of American Applied Linguistics (AAAL) Conference 2009, Denver, CO.
- Xu, J. & Wang, H. (2008, October). Annotating abstract vocabulary using multimedia: A pilot study. Paper presented at the Second Language Research Forum (SLRF) 2008, Hawaii, Honolulu, HI.
- Chapelle, C. A., Chung, Y.-R., Hegelheimer, V., Pendar, N., & Xu, J. (2008, March). Designing a computer-delivered language performance test: A pilot study. Paper presented at the 25th Computer Assisted Language Instruction Consortium (CALICO) Conference, San Francisco, CA.
Current Research
- Dissertation: Evaluating oral collocational production to predict L2 oral proficiency, supervised by Dr. Carol Chapelle.
- Revising an oral proficiency interview test for ITAs, with Dr. Elena Cotos and Hye-won Lee.
- The ITA Spoken Corpus Project, with Dr. Elena Cotos.
- Evaluation of WebSwami for L2 Pronunciation Instruction: A Theory-Based Approach, with Ruslan Suvorov and Dr. Elena Cotos.
Teaching Experience
- Iowa State University, Ames, IA
- English 180B: Intermediate Spoken English for International TAs (Spring, 2012, Fall 2011, Spring 2011, Fall 2010)
- English 180A: Basic Speaking Skills for International TAs (Spring 2010, Fall 2009)
- English 101B: Academic English Writing I (Fall 2008, Spring 2008, Fall 2007)
- English 101C: Academic English Writing II (Spring 2007)
- English 10: Intensive English and Orientation Program (Spring 2009, Summer 2008)
- English 150: Critical Thinking and Communication (Fall 2006)
- The University of Toledo, Toledo, OH
- ESL tutor, the Writing Center (Spring 2006)
- English 1110: First-year Composition for Non-native English Speakers (Fall 2005, Fall 2004)
- Web International English Center, Shanghai, China
- EFL Instructor (2002-2004)
Other Work Experience & Services
- Program assistant, Oral English Certification Test (formerly known as SPEAK/TEACH Test) (Summer 2009-present)
- Abstract reviewer, the 30th Second Language Research Forum (SLRF), Ames, IA. (2011)
- Organizing committee member, the 13th Midwest Association of Language Testers (MwALT) Conference, Ames, IA. (2011)
- Student volunteer, the 33rd Language Testing Research Colloquium (LTRC), Ann Arbor, MI. (2011)
- Organizer, TESL/Applied Linguistics Brownbag Colloquium Series, Iowa State University (Fall 2009-Spring 2011)
- R&D summer intern, Educational Testing Service (Summer 2009)
- Treasurer, Educational Video Interest Group, Iowa State University (Spring 2008-Spring 2010)
- Assistant organizer, the 5th Annual Technology for Second Language Learning (TSLL) Conference, Ames, IA. (2007)
- Proctor and essay rater, English Placement Test (EPT). (2006-present)
Reserach Interests
- Second Language Assessment
- Computer-Assisted Language Learning (CALL)

